Home / 11,545.89-17,317.20-4,149.27

Finding the Fourth Proportional to 11,545.89, 17,317.20 and 4,149.27

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Solution

The fourth proportional to 11,545.89, 17,317.20 and 4,149.27 is: 6,223.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,545.89 : 17,317.20 = 4,149.27 : x
  2. Step 2: Convert to fraction form
    11,545.89/17,317.20 = 4,149.27/x
  3. Step 3: Cross multiply
    11,545.89x = 17,317.20 × 4,149.27
  4. Step 4: Simplify right side
    11,545.89x = 71,853,738.44
  5. Step 5: Solve for x
    x = 71,853,738.44/11,545.89
  6. Step 6: Final answer
    x = 6,223.32

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1.5x scale

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.