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Finding the Fourth Proportional to 9,438.88, 13,007.10 and 6,248.56

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Solution

The fourth proportional to 9,438.88, 13,007.10 and 6,248.56 is: 8,610.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,438.88 : 13,007.10 = 6,248.56 : x
  2. Step 2: Convert to fraction form
    9,438.88/13,007.10 = 6,248.56/x
  3. Step 3: Cross multiply
    9,438.88x = 13,007.10 × 6,248.56
  4. Step 4: Simplify right side
    9,438.88x = 81,275,644.78
  5. Step 5: Solve for x
    x = 81,275,644.78/9,438.88
  6. Step 6: Final answer
    x = 8,610.73

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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.