Home / 10,766.26-16,149.37-2,868.78

Finding the Fourth Proportional to 10,766.26, 16,149.37 and 2,868.78

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Solution

The fourth proportional to 10,766.26, 16,149.37 and 2,868.78 is: 4,303.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,766.26 : 16,149.37 = 2,868.78 : x
  2. Step 2: Convert to fraction form
    10,766.26/16,149.37 = 2,868.78/x
  3. Step 3: Cross multiply
    10,766.26x = 16,149.37 × 2,868.78
  4. Step 4: Simplify right side
    10,766.26x = 46,328,989.67
  5. Step 5: Solve for x
    x = 46,328,989.67/10,766.26
  6. Step 6: Final answer
    x = 4,303.16

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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.