Home / 11,545.80-17,318.58-3,648.24

Finding the Fourth Proportional to 11,545.80, 17,318.58 and 3,648.24

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Solution

The fourth proportional to 11,545.80, 17,318.58 and 3,648.24 is: 5,472.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,545.80 : 17,318.58 = 3,648.24 : x
  2. Step 2: Convert to fraction form
    11,545.80/17,318.58 = 3,648.24/x
  3. Step 3: Cross multiply
    11,545.80x = 17,318.58 × 3,648.24
  4. Step 4: Simplify right side
    11,545.80x = 63,182,336.30
  5. Step 5: Solve for x
    x = 63,182,336.30/11,545.80
  6. Step 6: Final answer
    x = 5,472.32

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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.