Home / 7,872.60-11,808.92-2,326.04

Finding the Fourth Proportional to 7,872.60, 11,808.92 and 2,326.04

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Solution

The fourth proportional to 7,872.60, 11,808.92 and 2,326.04 is: 3,489.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,872.60 : 11,808.92 = 2,326.04 : x
  2. Step 2: Convert to fraction form
    7,872.60/11,808.92 = 2,326.04/x
  3. Step 3: Cross multiply
    7,872.60x = 11,808.92 × 2,326.04
  4. Step 4: Simplify right side
    7,872.60x = 27,468,020.28
  5. Step 5: Solve for x
    x = 27,468,020.28/7,872.60
  6. Step 6: Final answer
    x = 3,489.07

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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.