Home / 11,540.72-17,313.24-3,751.76

Finding the Fourth Proportional to 11,540.72, 17,313.24 and 3,751.76

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Solution

The fourth proportional to 11,540.72, 17,313.24 and 3,751.76 is: 5,628.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,540.72 : 17,313.24 = 3,751.76 : x
  2. Step 2: Convert to fraction form
    11,540.72/17,313.24 = 3,751.76/x
  3. Step 3: Cross multiply
    11,540.72x = 17,313.24 × 3,751.76
  4. Step 4: Simplify right side
    11,540.72x = 64,955,121.30
  5. Step 5: Solve for x
    x = 64,955,121.30/11,540.72
  6. Step 6: Final answer
    x = 5,628.34

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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.