Home / 11,250.66-16,876.44-3,860.20

Finding the Fourth Proportional to 11,250.66, 16,876.44 and 3,860.20

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Solution

The fourth proportional to 11,250.66, 16,876.44 and 3,860.20 is: 5,790.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,250.66 : 16,876.44 = 3,860.20 : x
  2. Step 2: Convert to fraction form
    11,250.66/16,876.44 = 3,860.20/x
  3. Step 3: Cross multiply
    11,250.66x = 16,876.44 × 3,860.20
  4. Step 4: Simplify right side
    11,250.66x = 65,146,433.69
  5. Step 5: Solve for x
    x = 65,146,433.69/11,250.66
  6. Step 6: Final answer
    x = 5,790.45

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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.