Home / 8,227.24-12,342.52-2,679.09

Finding the Fourth Proportional to 8,227.24, 12,342.52 and 2,679.09

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Solution

The fourth proportional to 8,227.24, 12,342.52 and 2,679.09 is: 4,019.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,227.24 : 12,342.52 = 2,679.09 : x
  2. Step 2: Convert to fraction form
    8,227.24/12,342.52 = 2,679.09/x
  3. Step 3: Cross multiply
    8,227.24x = 12,342.52 × 2,679.09
  4. Step 4: Simplify right side
    8,227.24x = 33,066,721.91
  5. Step 5: Solve for x
    x = 33,066,721.91/8,227.24
  6. Step 6: Final answer
    x = 4,019.18

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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.