Home / 10,255.88-15,365.28-4,713.86

Finding the Fourth Proportional to 10,255.88, 15,365.28 and 4,713.86

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Solution

The fourth proportional to 10,255.88, 15,365.28 and 4,713.86 is: 7,062.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,255.88 : 15,365.28 = 4,713.86 : x
  2. Step 2: Convert to fraction form
    10,255.88/15,365.28 = 4,713.86/x
  3. Step 3: Cross multiply
    10,255.88x = 15,365.28 × 4,713.86
  4. Step 4: Simplify right side
    10,255.88x = 72,429,778.78
  5. Step 5: Solve for x
    x = 72,429,778.78/10,255.88
  6. Step 6: Final answer
    x = 7,062.27

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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.