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Finding the Fourth Proportional to 9,163.30, 13,712.10 and 7,934.92

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Solution

The fourth proportional to 9,163.30, 13,712.10 and 7,934.92 is: 11,873.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,163.30 : 13,712.10 = 7,934.92 : x
  2. Step 2: Convert to fraction form
    9,163.30/13,712.10 = 7,934.92/x
  3. Step 3: Cross multiply
    9,163.30x = 13,712.10 × 7,934.92
  4. Step 4: Simplify right side
    9,163.30x = 108,804,416.53
  5. Step 5: Solve for x
    x = 108,804,416.53/9,163.30
  6. Step 6: Final answer
    x = 11,873.93

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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.