Home / 10,613.28-15,926.82-4,039.52

Finding the Fourth Proportional to 10,613.28, 15,926.82 and 4,039.52

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Solution

The fourth proportional to 10,613.28, 15,926.82 and 4,039.52 is: 6,061.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,613.28 : 15,926.82 = 4,039.52 : x
  2. Step 2: Convert to fraction form
    10,613.28/15,926.82 = 4,039.52/x
  3. Step 3: Cross multiply
    10,613.28x = 15,926.82 × 4,039.52
  4. Step 4: Simplify right side
    10,613.28x = 64,336,707.93
  5. Step 5: Solve for x
    x = 64,336,707.93/10,613.28
  6. Step 6: Final answer
    x = 6,061.91

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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.