find afourth proportional to4,5 and 12?
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Answered by
1
4×X=5×12
X=60/4
X=15
X=60/4
X=15
Answered by
4
4:5::12:x
4*x=5*12
4x=60
x=60/4
x=15
4*x=5*12
4x=60
x=60/4
x=15
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