Home / 11,110.76-16,666.31-4,092.42

Finding the Fourth Proportional to 11,110.76, 16,666.31 and 4,092.42

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Solution

The fourth proportional to 11,110.76, 16,666.31 and 4,092.42 is: 6,138.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110.76 : 16,666.31 = 4,092.42 : x
  2. Step 2: Convert to fraction form
    11,110.76/16,666.31 = 4,092.42/x
  3. Step 3: Cross multiply
    11,110.76x = 16,666.31 × 4,092.42
  4. Step 4: Simplify right side
    11,110.76x = 68,205,590.08
  5. Step 5: Solve for x
    x = 68,205,590.08/11,110.76
  6. Step 6: Final answer
    x = 6,138.70

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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.