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Finding the Fourth Proportional to 11,773.70, 16,264.29 and 11,151.62

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Solution

The fourth proportional to 11,773.70, 16,264.29 and 11,151.62 is: 15,404.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,773.70 : 16,264.29 = 11,151.62 : x
  2. Step 2: Convert to fraction form
    11,773.70/16,264.29 = 11,151.62/x
  3. Step 3: Cross multiply
    11,773.70x = 16,264.29 × 11,151.62
  4. Step 4: Simplify right side
    11,773.70x = 181,373,181.65
  5. Step 5: Solve for x
    x = 181,373,181.65/11,773.70
  6. Step 6: Final answer
    x = 15,404.94

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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.