Home / 10,487.42-15,727.79-3,466.13

Finding the Fourth Proportional to 10,487.42, 15,727.79 and 3,466.13

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Solution

The fourth proportional to 10,487.42, 15,727.79 and 3,466.13 is: 5,198.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,487.42 : 15,727.79 = 3,466.13 : x
  2. Step 2: Convert to fraction form
    10,487.42/15,727.79 = 3,466.13/x
  3. Step 3: Cross multiply
    10,487.42x = 15,727.79 × 3,466.13
  4. Step 4: Simplify right side
    10,487.42x = 54,514,494.78
  5. Step 5: Solve for x
    x = 54,514,494.78/10,487.42
  6. Step 6: Final answer
    x = 5,198.09

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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.