Home / 10,613.75-15,917.88-4,375.53

Finding the Fourth Proportional to 10,613.75, 15,917.88 and 4,375.53

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Solution

The fourth proportional to 10,613.75, 15,917.88 and 4,375.53 is: 6,562.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,613.75 : 15,917.88 = 4,375.53 : x
  2. Step 2: Convert to fraction form
    10,613.75/15,917.88 = 4,375.53/x
  3. Step 3: Cross multiply
    10,613.75x = 15,917.88 × 4,375.53
  4. Step 4: Simplify right side
    10,613.75x = 69,649,177.88
  5. Step 5: Solve for x
    x = 69,649,177.88/10,613.75
  6. Step 6: Final answer
    x = 6,562.17

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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.