Home / 10,367.52-15,543.99-5,169.75

Finding the Fourth Proportional to 10,367.52, 15,543.99 and 5,169.75

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Solution

The fourth proportional to 10,367.52, 15,543.99 and 5,169.75 is: 7,750.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.52 : 15,543.99 = 5,169.75 : x
  2. Step 2: Convert to fraction form
    10,367.52/15,543.99 = 5,169.75/x
  3. Step 3: Cross multiply
    10,367.52x = 15,543.99 × 5,169.75
  4. Step 4: Simplify right side
    10,367.52x = 80,358,542.30
  5. Step 5: Solve for x
    x = 80,358,542.30/10,367.52
  6. Step 6: Final answer
    x = 7,750.99

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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.