Home / 11,572.08-17,358.18-3,781.56

Finding the Fourth Proportional to 11,572.08, 17,358.18 and 3,781.56

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Solution

The fourth proportional to 11,572.08, 17,358.18 and 3,781.56 is: 5,672.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,572.08 : 17,358.18 = 3,781.56 : x
  2. Step 2: Convert to fraction form
    11,572.08/17,358.18 = 3,781.56/x
  3. Step 3: Cross multiply
    11,572.08x = 17,358.18 × 3,781.56
  4. Step 4: Simplify right side
    11,572.08x = 65,640,999.16
  5. Step 5: Solve for x
    x = 65,640,999.16/11,572.08
  6. Step 6: Final answer
    x = 5,672.36

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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.