Home / 7,655.24-11,481.42-2,724.86

Finding the Fourth Proportional to 7,655.24, 11,481.42 and 2,724.86

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Solution

The fourth proportional to 7,655.24, 11,481.42 and 2,724.86 is: 4,086.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,655.24 : 11,481.42 = 2,724.86 : x
  2. Step 2: Convert to fraction form
    7,655.24/11,481.42 = 2,724.86/x
  3. Step 3: Cross multiply
    7,655.24x = 11,481.42 × 2,724.86
  4. Step 4: Simplify right side
    7,655.24x = 31,285,262.10
  5. Step 5: Solve for x
    x = 31,285,262.10/7,655.24
  6. Step 6: Final answer
    x = 4,086.78

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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.