Name_______________________________ Period______ Date
Name______________________________ Period________ Date___________________
Proportions 1
For problems 1 – 4, set up the proportion for each set of similar figures and solve for the missing length.
1.
8 in
x inches
6 in
18 inches
2.
9 feet 3 feet
x feet
2 feet
12 yards
3. x yards
8 yards 6 yards
4.
8 cm 2 cm
16 cm x cm
For problems 5 – 8, use the scale factor to find the missing lengths.
5. scale factor = [pic]
10 in
x inches
6 in
y inches
6. scale factor = [pic]
5 feet
15 feet
x feet y feet
7. scale factor = [pic] 21 yards
x yards
y yards
9 yards
8. scale factor = [pic]
y cm 2 cm
20 cm x cm
Name_____ANSWER KEY____________ Period________ Date___________________
Proportions 1
For problems 1 – 4, set up the proportion for each set of similar figures and solve for the missing length.
1.
8 inches
24 inches
6 inches
18 inches
2.
9 feet 3 feet
13.5 feet
2 feet
12 yards
3. 4 yards
8 yards 6 yards
4.
8 cm 2 cm
20 cm 5 cm
For problems 5 – 8, use the scale factor to find the missing lengths.
5. scale factor = [pic]
10 in
15 inches
6 in
9 inches
6. scale factor = [pic]
5 feet
15 feet
10 feet 7.5 feet
7. scale factor = [pic] 21 yards
6.75 yards
15.75 yards
9 yards
8. scale factor = [pic]
8 cm 2 cm
20 cm 5 cm
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