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Solve the proportion 3/4 = 9/x
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14 votes
Solve the proportion 3/4 = 9/x

User Eirirlar
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1 Answer

13 votes
3/4 = 9/x
Cross-multiply.
3/4 = 9/x
3 * x = (9) * (4)
3x = 36
Divide both sides by 3.
3x/3 = 36/3
x = 12
User Zhuoyun Wei
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