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Finding the Fourth Proportional to 9,053.34, 12,481.14 and 7,372.17

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Solution

The fourth proportional to 9,053.34, 12,481.14 and 7,372.17 is: 10,163.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,053.34 : 12,481.14 = 7,372.17 : x
  2. Step 2: Convert to fraction form
    9,053.34/12,481.14 = 7,372.17/x
  3. Step 3: Cross multiply
    9,053.34x = 12,481.14 × 7,372.17
  4. Step 4: Simplify right side
    9,053.34x = 92,013,085.87
  5. Step 5: Solve for x
    x = 92,013,085.87/9,053.34
  6. Step 6: Final answer
    x = 10,163.44

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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.