Home / 8,171.24-12,250.36-3,551

Finding the Fourth Proportional to 8,171.24, 12,250.36 and 3,551

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Solution

The fourth proportional to 8,171.24, 12,250.36 and 3,551 is: 5,323.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171.24 : 12,250.36 = 3,551 : x
  2. Step 2: Convert to fraction form
    8,171.24/12,250.36 = 3,551/x
  3. Step 3: Cross multiply
    8,171.24x = 12,250.36 × 3,551
  4. Step 4: Simplify right side
    8,171.24x = 43,501,028.36
  5. Step 5: Solve for x
    x = 43,501,028.36/8,171.24
  6. Step 6: Final answer
    x = 5,323.68

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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.