Home / 11,129.18-16,693.97-5,204.43

Finding the Fourth Proportional to 11,129.18, 16,693.97 and 5,204.43

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Solution

The fourth proportional to 11,129.18, 16,693.97 and 5,204.43 is: 7,806.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129.18 : 16,693.97 = 5,204.43 : x
  2. Step 2: Convert to fraction form
    11,129.18/16,693.97 = 5,204.43/x
  3. Step 3: Cross multiply
    11,129.18x = 16,693.97 × 5,204.43
  4. Step 4: Simplify right side
    11,129.18x = 86,882,572.26
  5. Step 5: Solve for x
    x = 86,882,572.26/11,129.18
  6. Step 6: Final answer
    x = 7,806.74

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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.