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Finding the Fourth Proportional to 11,912.13, 17,873.06 and 9,593.91

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Solution

The fourth proportional to 11,912.13, 17,873.06 and 9,593.91 is: 14,394.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,912.13 : 17,873.06 = 9,593.91 : x
  2. Step 2: Convert to fraction form
    11,912.13/17,873.06 = 9,593.91/x
  3. Step 3: Cross multiply
    11,912.13x = 17,873.06 × 9,593.91
  4. Step 4: Simplify right side
    11,912.13x = 171,472,481.10
  5. Step 5: Solve for x
    x = 171,472,481.10/11,912.13
  6. Step 6: Final answer
    x = 14,394.78

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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.