Home / 10,572.88-15,854.35-6,131.81

Finding the Fourth Proportional to 10,572.88, 15,854.35 and 6,131.81

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Solution

The fourth proportional to 10,572.88, 15,854.35 and 6,131.81 is: 9,194.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,572.88 : 15,854.35 = 6,131.81 : x
  2. Step 2: Convert to fraction form
    10,572.88/15,854.35 = 6,131.81/x
  3. Step 3: Cross multiply
    10,572.88x = 15,854.35 × 6,131.81
  4. Step 4: Simplify right side
    10,572.88x = 97,215,799.14
  5. Step 5: Solve for x
    x = 97,215,799.14/10,572.88
  6. Step 6: Final answer
    x = 9,194.83

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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.