find the fourth proportional to 13, 17, 39
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1
here x= 9
put the formula p1 + p2 = p3+p4
put the formula p1 + p2 = p3+p4
Answered by
6
Let the fourth proportional be x.
Then
=13/17=39/x
BY cross multiplication,
=13x=17*39
=13x=663
=x=663/13
=x=51
Therefore the fourth proportional is 51.
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Then
=13/17=39/x
BY cross multiplication,
=13x=17*39
=13x=663
=x=663/13
=x=51
Therefore the fourth proportional is 51.
plzz mark this as brainliest
saarugesh0710:
why can't you mark this as brainliest.
so
to say that is very useful.
no
ok sorry
ok
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