Home / 10,472.07-15,713.48-5,791.22

Finding the Fourth Proportional to 10,472.07, 15,713.48 and 5,791.22

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Solution

The fourth proportional to 10,472.07, 15,713.48 and 5,791.22 is: 8,689.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,472.07 : 15,713.48 = 5,791.22 : x
  2. Step 2: Convert to fraction form
    10,472.07/15,713.48 = 5,791.22/x
  3. Step 3: Cross multiply
    10,472.07x = 15,713.48 × 5,791.22
  4. Step 4: Simplify right side
    10,472.07x = 91,000,155.56
  5. Step 5: Solve for x
    x = 91,000,155.56/10,472.07
  6. Step 6: Final answer
    x = 8,689.80

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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.