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Finding the Fourth Proportional to 9,125.71, 12,593.49 and 5,348.12

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Solution

The fourth proportional to 9,125.71, 12,593.49 and 5,348.12 is: 7,380.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,125.71 : 12,593.49 = 5,348.12 : x
  2. Step 2: Convert to fraction form
    9,125.71/12,593.49 = 5,348.12/x
  3. Step 3: Cross multiply
    9,125.71x = 12,593.49 × 5,348.12
  4. Step 4: Simplify right side
    9,125.71x = 67,351,495.74
  5. Step 5: Solve for x
    x = 67,351,495.74/9,125.71
  6. Step 6: Final answer
    x = 7,380.41

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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.