Home / 8,772.43-13,163.83-3,229.66

Finding the Fourth Proportional to 8,772.43, 13,163.83 and 3,229.66

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Solution

The fourth proportional to 8,772.43, 13,163.83 and 3,229.66 is: 4,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,772.43 : 13,163.83 = 3,229.66 : x
  2. Step 2: Convert to fraction form
    8,772.43/13,163.83 = 3,229.66/x
  3. Step 3: Cross multiply
    8,772.43x = 13,163.83 × 3,229.66
  4. Step 4: Simplify right side
    8,772.43x = 42,514,695.20
  5. Step 5: Solve for x
    x = 42,514,695.20/8,772.43
  6. Step 6: Final answer
    x = 4,846.40

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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.