Home / 7,850.28-11,772.33-3,169.41

Finding the Fourth Proportional to 7,850.28, 11,772.33 and 3,169.41

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Solution

The fourth proportional to 7,850.28, 11,772.33 and 3,169.41 is: 4,752.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,850.28 : 11,772.33 = 3,169.41 : x
  2. Step 2: Convert to fraction form
    7,850.28/11,772.33 = 3,169.41/x
  3. Step 3: Cross multiply
    7,850.28x = 11,772.33 × 3,169.41
  4. Step 4: Simplify right side
    7,850.28x = 37,311,340.43
  5. Step 5: Solve for x
    x = 37,311,340.43/7,850.28
  6. Step 6: Final answer
    x = 4,752.87

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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.