Home / 10,079.79-15,124.02-3,502.39

Finding the Fourth Proportional to 10,079.79, 15,124.02 and 3,502.39

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Solution

The fourth proportional to 10,079.79, 15,124.02 and 3,502.39 is: 5,255.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079.79 : 15,124.02 = 3,502.39 : x
  2. Step 2: Convert to fraction form
    10,079.79/15,124.02 = 3,502.39/x
  3. Step 3: Cross multiply
    10,079.79x = 15,124.02 × 3,502.39
  4. Step 4: Simplify right side
    10,079.79x = 52,970,193.82
  5. Step 5: Solve for x
    x = 52,970,193.82/10,079.79
  6. Step 6: Final answer
    x = 5,255.09

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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.