Home / 8,772.30-13,163.64-3,229.53

Finding the Fourth Proportional to 8,772.30, 13,163.64 and 3,229.53

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Solution

The fourth proportional to 8,772.30, 13,163.64 and 3,229.53 is: 4,846.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,772.30 : 13,163.64 = 3,229.53 : x
  2. Step 2: Convert to fraction form
    8,772.30/13,163.64 = 3,229.53/x
  3. Step 3: Cross multiply
    8,772.30x = 13,163.64 × 3,229.53
  4. Step 4: Simplify right side
    8,772.30x = 42,512,370.29
  5. Step 5: Solve for x
    x = 42,512,370.29/8,772.30
  6. Step 6: Final answer
    x = 4,846.21

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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.