Home / 10,568.41-15,847.94-3,171.45

Finding the Fourth Proportional to 10,568.41, 15,847.94 and 3,171.45

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Solution

The fourth proportional to 10,568.41, 15,847.94 and 3,171.45 is: 4,755.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,568.41 : 15,847.94 = 3,171.45 : x
  2. Step 2: Convert to fraction form
    10,568.41/15,847.94 = 3,171.45/x
  3. Step 3: Cross multiply
    10,568.41x = 15,847.94 × 3,171.45
  4. Step 4: Simplify right side
    10,568.41x = 50,260,992.90
  5. Step 5: Solve for x
    x = 50,260,992.90/10,568.41
  6. Step 6: Final answer
    x = 4,755.78

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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.