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Finding the Fourth Proportional to 11,000.52, 15,179.78 and 6,283.88

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Solution

The fourth proportional to 11,000.52, 15,179.78 and 6,283.88 is: 8,671.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,000.52 : 15,179.78 = 6,283.88 : x
  2. Step 2: Convert to fraction form
    11,000.52/15,179.78 = 6,283.88/x
  3. Step 3: Cross multiply
    11,000.52x = 15,179.78 × 6,283.88
  4. Step 4: Simplify right side
    11,000.52x = 95,387,915.95
  5. Step 5: Solve for x
    x = 95,387,915.95/11,000.52
  6. Step 6: Final answer
    x = 8,671.22

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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.