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Finding the Fourth Proportional to 11,561.00, 16,020.11 and 10,858.73

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Solution

The fourth proportional to 11,561.00, 16,020.11 and 10,858.73 is: 15,046.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,561.00 : 16,020.11 = 10,858.73 : x
  2. Step 2: Convert to fraction form
    11,561.00/16,020.11 = 10,858.73/x
  3. Step 3: Cross multiply
    11,561.00x = 16,020.11 × 10,858.73
  4. Step 4: Simplify right side
    11,561.00x = 173,957,996.11
  5. Step 5: Solve for x
    x = 173,957,996.11/11,561.00
  6. Step 6: Final answer
    x = 15,046.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.