Home / 9,192.17-12,685.46-5,213.15

Finding the Fourth Proportional to 9,192.17, 12,685.46 and 5,213.15

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Solution

The fourth proportional to 9,192.17, 12,685.46 and 5,213.15 is: 7,194.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,192.17 : 12,685.46 = 5,213.15 : x
  2. Step 2: Convert to fraction form
    9,192.17/12,685.46 = 5,213.15/x
  3. Step 3: Cross multiply
    9,192.17x = 12,685.46 × 5,213.15
  4. Step 4: Simplify right side
    9,192.17x = 66,131,116.31
  5. Step 5: Solve for x
    x = 66,131,116.31/9,192.17
  6. Step 6: Final answer
    x = 7,194.29

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.