Home / 8,449.11-11,660.21-4,864.61

Finding the Fourth Proportional to 8,449.11, 11,660.21 and 4,864.61

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Solution

The fourth proportional to 8,449.11, 11,660.21 and 4,864.61 is: 6,713.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449.11 : 11,660.21 = 4,864.61 : x
  2. Step 2: Convert to fraction form
    8,449.11/11,660.21 = 4,864.61/x
  3. Step 3: Cross multiply
    8,449.11x = 11,660.21 × 4,864.61
  4. Step 4: Simplify right side
    8,449.11x = 56,722,345.33
  5. Step 5: Solve for x
    x = 56,722,345.33/8,449.11
  6. Step 6: Final answer
    x = 6,713.41

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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.