Home / 8,471.82-12,708.68-2,924.54

Finding the Fourth Proportional to 8,471.82, 12,708.68 and 2,924.54

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Solution

The fourth proportional to 8,471.82, 12,708.68 and 2,924.54 is: 4,387.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,471.82 : 12,708.68 = 2,924.54 : x
  2. Step 2: Convert to fraction form
    8,471.82/12,708.68 = 2,924.54/x
  3. Step 3: Cross multiply
    8,471.82x = 12,708.68 × 2,924.54
  4. Step 4: Simplify right side
    8,471.82x = 37,166,964.84
  5. Step 5: Solve for x
    x = 37,166,964.84/8,471.82
  6. Step 6: Final answer
    x = 4,387.13

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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.