Home / 10,566.85-15,850.26-3,171.30

Finding the Fourth Proportional to 10,566.85, 15,850.26 and 3,171.30

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Solution

The fourth proportional to 10,566.85, 15,850.26 and 3,171.30 is: 4,756.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,566.85 : 15,850.26 = 3,171.30 : x
  2. Step 2: Convert to fraction form
    10,566.85/15,850.26 = 3,171.30/x
  3. Step 3: Cross multiply
    10,566.85x = 15,850.26 × 3,171.30
  4. Step 4: Simplify right side
    10,566.85x = 50,265,929.54
  5. Step 5: Solve for x
    x = 50,265,929.54/10,566.85
  6. Step 6: Final answer
    x = 4,756.95

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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.