Home / 11,136.98-16,707.39-3,742.15

Finding the Fourth Proportional to 11,136.98, 16,707.39 and 3,742.15

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Solution

The fourth proportional to 11,136.98, 16,707.39 and 3,742.15 is: 5,613.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,136.98 : 16,707.39 = 3,742.15 : x
  2. Step 2: Convert to fraction form
    11,136.98/16,707.39 = 3,742.15/x
  3. Step 3: Cross multiply
    11,136.98x = 16,707.39 × 3,742.15
  4. Step 4: Simplify right side
    11,136.98x = 62,521,559.49
  5. Step 5: Solve for x
    x = 62,521,559.49/11,136.98
  6. Step 6: Final answer
    x = 5,613.87

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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.