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Finding the Fourth Proportional to 8,934.38, 12,293.24 and 7,335.14

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Solution

The fourth proportional to 8,934.38, 12,293.24 and 7,335.14 is: 10,092.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,934.38 : 12,293.24 = 7,335.14 : x
  2. Step 2: Convert to fraction form
    8,934.38/12,293.24 = 7,335.14/x
  3. Step 3: Cross multiply
    8,934.38x = 12,293.24 × 7,335.14
  4. Step 4: Simplify right side
    8,934.38x = 90,172,669.35
  5. Step 5: Solve for x
    x = 90,172,669.35/8,934.38
  6. Step 6: Final answer
    x = 10,092.77

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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.