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Finding the Fourth Proportional to 8,752.10, 13,115.18 and 7,203.11

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Solution

The fourth proportional to 8,752.10, 13,115.18 and 7,203.11 is: 10,793.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752.10 : 13,115.18 = 7,203.11 : x
  2. Step 2: Convert to fraction form
    8,752.10/13,115.18 = 7,203.11/x
  3. Step 3: Cross multiply
    8,752.10x = 13,115.18 × 7,203.11
  4. Step 4: Simplify right side
    8,752.10x = 94,469,982.62
  5. Step 5: Solve for x
    x = 94,469,982.62/8,752.10
  6. Step 6: Final answer
    x = 10,793.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.