Home / 10,766.46-16,141.77-3,366.78

Finding the Fourth Proportional to 10,766.46, 16,141.77 and 3,366.78

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Solution

The fourth proportional to 10,766.46, 16,141.77 and 3,366.78 is: 5,047.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,766.46 : 16,141.77 = 3,366.78 : x
  2. Step 2: Convert to fraction form
    10,766.46/16,141.77 = 3,366.78/x
  3. Step 3: Cross multiply
    10,766.46x = 16,141.77 × 3,366.78
  4. Step 4: Simplify right side
    10,766.46x = 54,345,788.40
  5. Step 5: Solve for x
    x = 54,345,788.40/10,766.46
  6. Step 6: Final answer
    x = 5,047.69

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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.