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Finding the Fourth Proportional to 8,497.52, 11,732.22 and 5,315.61

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Solution

The fourth proportional to 8,497.52, 11,732.22 and 5,315.61 is: 7,339.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,497.52 : 11,732.22 = 5,315.61 : x
  2. Step 2: Convert to fraction form
    8,497.52/11,732.22 = 5,315.61/x
  3. Step 3: Cross multiply
    8,497.52x = 11,732.22 × 5,315.61
  4. Step 4: Simplify right side
    8,497.52x = 62,363,905.95
  5. Step 5: Solve for x
    x = 62,363,905.95/8,497.52
  6. Step 6: Final answer
    x = 7,339.08

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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.