yasinbeatrice
yasinbeatrice yasinbeatrice
  • 01-11-2018
  • Mathematics
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Proportions- Determine if each pair of ratios forms a proportion. Show all work!

10.2/4 = h/12

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cjzelaitis cjzelaitis
  • 01-11-2018
10.2/4=h/12
10.2×12=4×h (cross multiply)
122.4=4h
30.6=h

The ratio is 2.55:1
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monaibrahim1590
monaibrahim1590 monaibrahim1590
  • 01-11-2018

you do cross-multiply:

10.2(12)= 122.4

4(h)=4h

4h=122.4

h=30.6

if h is 30.6, it will be proportional

Answer Link

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