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Finding the Fourth Proportional to 9,372.59, 12,935.48 and 9,064.92

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Solution

The fourth proportional to 9,372.59, 12,935.48 and 9,064.92 is: 12,510.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,372.59 : 12,935.48 = 9,064.92 : x
  2. Step 2: Convert to fraction form
    9,372.59/12,935.48 = 9,064.92/x
  3. Step 3: Cross multiply
    9,372.59x = 12,935.48 × 9,064.92
  4. Step 4: Simplify right side
    9,372.59x = 117,259,046.04
  5. Step 5: Solve for x
    x = 117,259,046.04/9,372.59
  6. Step 6: Final answer
    x = 12,510.85

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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.