Home / 10,986.76-16,479.97-2,666.85

Finding the Fourth Proportional to 10,986.76, 16,479.97 and 2,666.85

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Solution

The fourth proportional to 10,986.76, 16,479.97 and 2,666.85 is: 4,000.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986.76 : 16,479.97 = 2,666.85 : x
  2. Step 2: Convert to fraction form
    10,986.76/16,479.97 = 2,666.85/x
  3. Step 3: Cross multiply
    10,986.76x = 16,479.97 × 2,666.85
  4. Step 4: Simplify right side
    10,986.76x = 43,949,539.53
  5. Step 5: Solve for x
    x = 43,949,539.53/10,986.76
  6. Step 6: Final answer
    x = 4,000.23

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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.