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Finding the Fourth Proportional to 8,453.66, 11,658.98 and 6,334.17

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Solution

The fourth proportional to 8,453.66, 11,658.98 and 6,334.17 is: 8,735.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,453.66 : 11,658.98 = 6,334.17 : x
  2. Step 2: Convert to fraction form
    8,453.66/11,658.98 = 6,334.17/x
  3. Step 3: Cross multiply
    8,453.66x = 11,658.98 × 6,334.17
  4. Step 4: Simplify right side
    8,453.66x = 73,849,929.68
  5. Step 5: Solve for x
    x = 73,849,929.68/8,453.66
  6. Step 6: Final answer
    x = 8,735.85

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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.