Home / 10,140.46-15,198.13-5,744.59

Finding the Fourth Proportional to 10,140.46, 15,198.13 and 5,744.59

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Solution

The fourth proportional to 10,140.46, 15,198.13 and 5,744.59 is: 8,609.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,140.46 : 15,198.13 = 5,744.59 : x
  2. Step 2: Convert to fraction form
    10,140.46/15,198.13 = 5,744.59/x
  3. Step 3: Cross multiply
    10,140.46x = 15,198.13 × 5,744.59
  4. Step 4: Simplify right side
    10,140.46x = 87,307,025.62
  5. Step 5: Solve for x
    x = 87,307,025.62/10,140.46
  6. Step 6: Final answer
    x = 8,609.77

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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.