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Finding the Fourth Proportional to 8,882.92, 12,263.34 and 5,347

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Solution

The fourth proportional to 8,882.92, 12,263.34 and 5,347 is: 7,381.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,882.92 : 12,263.34 = 5,347 : x
  2. Step 2: Convert to fraction form
    8,882.92/12,263.34 = 5,347/x
  3. Step 3: Cross multiply
    8,882.92x = 12,263.34 × 5,347
  4. Step 4: Simplify right side
    8,882.92x = 65,572,078.98
  5. Step 5: Solve for x
    x = 65,572,078.98/8,882.92
  6. Step 6: Final answer
    x = 7,381.82

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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.