Home / 7,872.32-11,806.66-2,326.04

Finding the Fourth Proportional to 7,872.32, 11,806.66 and 2,326.04

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Solution

The fourth proportional to 7,872.32, 11,806.66 and 2,326.04 is: 3,488.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,872.32 : 11,806.66 = 2,326.04 : x
  2. Step 2: Convert to fraction form
    7,872.32/11,806.66 = 2,326.04/x
  3. Step 3: Cross multiply
    7,872.32x = 11,806.66 × 2,326.04
  4. Step 4: Simplify right side
    7,872.32x = 27,462,763.43
  5. Step 5: Solve for x
    x = 27,462,763.43/7,872.32
  6. Step 6: Final answer
    x = 3,488.52

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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.