Home / 10,877.45-16,314.55-3,481.13

Finding the Fourth Proportional to 10,877.45, 16,314.55 and 3,481.13

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Solution

The fourth proportional to 10,877.45, 16,314.55 and 3,481.13 is: 5,221.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,877.45 : 16,314.55 = 3,481.13 : x
  2. Step 2: Convert to fraction form
    10,877.45/16,314.55 = 3,481.13/x
  3. Step 3: Cross multiply
    10,877.45x = 16,314.55 × 3,481.13
  4. Step 4: Simplify right side
    10,877.45x = 56,793,101.53
  5. Step 5: Solve for x
    x = 56,793,101.53/10,877.45
  6. Step 6: Final answer
    x = 5,221.18

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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.