Home / 8,822.43-13,228.31-4,143.47

Finding the Fourth Proportional to 8,822.43, 13,228.31 and 4,143.47

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Solution

The fourth proportional to 8,822.43, 13,228.31 and 4,143.47 is: 6,212.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,822.43 : 13,228.31 = 4,143.47 : x
  2. Step 2: Convert to fraction form
    8,822.43/13,228.31 = 4,143.47/x
  3. Step 3: Cross multiply
    8,822.43x = 13,228.31 × 4,143.47
  4. Step 4: Simplify right side
    8,822.43x = 54,811,049.85
  5. Step 5: Solve for x
    x = 54,811,049.85/8,822.43
  6. Step 6: Final answer
    x = 6,212.69

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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.