Home / 8,171.33-12,255.51-2,167.44

Finding the Fourth Proportional to 8,171.33, 12,255.51 and 2,167.44

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Solution

The fourth proportional to 8,171.33, 12,255.51 and 2,167.44 is: 3,250.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171.33 : 12,255.51 = 2,167.44 : x
  2. Step 2: Convert to fraction form
    8,171.33/12,255.51 = 2,167.44/x
  3. Step 3: Cross multiply
    8,171.33x = 12,255.51 × 2,167.44
  4. Step 4: Simplify right side
    8,171.33x = 26,563,107.61
  5. Step 5: Solve for x
    x = 26,563,107.61/8,171.33
  6. Step 6: Final answer
    x = 3,250.77

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1.5x scale

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.