Home / 11,121.57-16,683.17-3,726

Finding the Fourth Proportional to 11,121.57, 16,683.17 and 3,726

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Solution

The fourth proportional to 11,121.57, 16,683.17 and 3,726 is: 5,589.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,121.57 : 16,683.17 = 3,726 : x
  2. Step 2: Convert to fraction form
    11,121.57/16,683.17 = 3,726/x
  3. Step 3: Cross multiply
    11,121.57x = 16,683.17 × 3,726
  4. Step 4: Simplify right side
    11,121.57x = 62,161,472.79
  5. Step 5: Solve for x
    x = 62,161,472.79/11,121.57
  6. Step 6: Final answer
    x = 5,589.27

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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.