Home / 11,110.38-16,665.13-6,176.90

Finding the Fourth Proportional to 11,110.38, 16,665.13 and 6,176.90

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Solution

The fourth proportional to 11,110.38, 16,665.13 and 6,176.90 is: 9,265.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110.38 : 16,665.13 = 6,176.90 : x
  2. Step 2: Convert to fraction form
    11,110.38/16,665.13 = 6,176.90/x
  3. Step 3: Cross multiply
    11,110.38x = 16,665.13 × 6,176.90
  4. Step 4: Simplify right side
    11,110.38x = 102,938,841.50
  5. Step 5: Solve for x
    x = 102,938,841.50/11,110.38
  6. Step 6: Final answer
    x = 9,265.11

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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.