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(x)/(12) = (3)/(9) Use a proportion. Find missing value.
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(x)/(12) = (3)/(9) Use a proportion. Find missing value.

User Treast
by
7.8k points

1 Answer

1 vote

Answer:


x=4

Explanation:

Cross-multiply to simplify:


(x)/(12)=(3)/(9),\\9x=12\cdot 3,\\9x=36

Divide both sides by 4 to isolate
x:


x=(36)/(9)=\boxed{4}

User Mike Kinghan
by
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