Home / 11,540.80-17,313.36-3,749.68

Finding the Fourth Proportional to 11,540.80, 17,313.36 and 3,749.68

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Solution

The fourth proportional to 11,540.80, 17,313.36 and 3,749.68 is: 5,625.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,540.80 : 17,313.36 = 3,749.68 : x
  2. Step 2: Convert to fraction form
    11,540.80/17,313.36 = 3,749.68/x
  3. Step 3: Cross multiply
    11,540.80x = 17,313.36 × 3,749.68
  4. Step 4: Simplify right side
    11,540.80x = 64,919,559.72
  5. Step 5: Solve for x
    x = 64,919,559.72/11,540.80
  6. Step 6: Final answer
    x = 5,625.22

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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.