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Finding the Fourth Proportional to 8,248.64, 11,375.52 and 7,652.48

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Solution

The fourth proportional to 8,248.64, 11,375.52 and 7,652.48 is: 10,553.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,248.64 : 11,375.52 = 7,652.48 : x
  2. Step 2: Convert to fraction form
    8,248.64/11,375.52 = 7,652.48/x
  3. Step 3: Cross multiply
    8,248.64x = 11,375.52 × 7,652.48
  4. Step 4: Simplify right side
    8,248.64x = 87,050,939.29
  5. Step 5: Solve for x
    x = 87,050,939.29/8,248.64
  6. Step 6: Final answer
    x = 10,553.37

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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.