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Finding the Fourth Proportional to 9,097.11, 12,542.04 and 6,259.28

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Solution

The fourth proportional to 9,097.11, 12,542.04 and 6,259.28 is: 8,629.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,097.11 : 12,542.04 = 6,259.28 : x
  2. Step 2: Convert to fraction form
    9,097.11/12,542.04 = 6,259.28/x
  3. Step 3: Cross multiply
    9,097.11x = 12,542.04 × 6,259.28
  4. Step 4: Simplify right side
    9,097.11x = 78,504,077.42
  5. Step 5: Solve for x
    x = 78,504,077.42/9,097.11
  6. Step 6: Final answer
    x = 8,629.56

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Half scale
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Double scale
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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.