Home / 8,449.27-11,660.43-4,864.76

Finding the Fourth Proportional to 8,449.27, 11,660.43 and 4,864.76

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Solution

The fourth proportional to 8,449.27, 11,660.43 and 4,864.76 is: 6,713.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449.27 : 11,660.43 = 4,864.76 : x
  2. Step 2: Convert to fraction form
    8,449.27/11,660.43 = 4,864.76/x
  3. Step 3: Cross multiply
    8,449.27x = 11,660.43 × 4,864.76
  4. Step 4: Simplify right side
    8,449.27x = 56,725,193.45
  5. Step 5: Solve for x
    x = 56,725,193.45/8,449.27
  6. Step 6: Final answer
    x = 6,713.62

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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.