Home / 8,224.56-11,350.20-4,687.68

Finding the Fourth Proportional to 8,224.56, 11,350.20 and 4,687.68

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Solution

The fourth proportional to 8,224.56, 11,350.20 and 4,687.68 is: 6,469.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,224.56 : 11,350.20 = 4,687.68 : x
  2. Step 2: Convert to fraction form
    8,224.56/11,350.20 = 4,687.68/x
  3. Step 3: Cross multiply
    8,224.56x = 11,350.20 × 4,687.68
  4. Step 4: Simplify right side
    8,224.56x = 53,206,105.54
  5. Step 5: Solve for x
    x = 53,206,105.54/8,224.56
  6. Step 6: Final answer
    x = 6,469.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.