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Finding the Fourth Proportional to 11,753.91, 16,222.68 and 6,974.91

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Solution

The fourth proportional to 11,753.91, 16,222.68 and 6,974.91 is: 9,626.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,753.91 : 16,222.68 = 6,974.91 : x
  2. Step 2: Convert to fraction form
    11,753.91/16,222.68 = 6,974.91/x
  3. Step 3: Cross multiply
    11,753.91x = 16,222.68 × 6,974.91
  4. Step 4: Simplify right side
    11,753.91x = 113,151,732.96
  5. Step 5: Solve for x
    x = 113,151,732.96/11,753.91
  6. Step 6: Final answer
    x = 9,626.73

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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.