SOLUTION: 4:12::5:?

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Question 978415: 4:12::5:?

Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39617) About Me  (Show Source):
Answer by MathTherapy(10552) About Me  (Show Source):
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4:12::5:?
4%2F12+=+5%2F%22%3F%22

4? = 12(5) ------ Cross-multiplying

4? = 60

? = 60%2F4, or highlight_green%2815%29