Home / 11,427.92-17,131.56-4,031.06

Finding the Fourth Proportional to 11,427.92, 17,131.56 and 4,031.06

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Solution

The fourth proportional to 11,427.92, 17,131.56 and 4,031.06 is: 6,042.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,427.92 : 17,131.56 = 4,031.06 : x
  2. Step 2: Convert to fraction form
    11,427.92/17,131.56 = 4,031.06/x
  3. Step 3: Cross multiply
    11,427.92x = 17,131.56 × 4,031.06
  4. Step 4: Simplify right side
    11,427.92x = 69,058,260.60
  5. Step 5: Solve for x
    x = 69,058,260.60/11,427.92
  6. Step 6: Final answer
    x = 6,042.94

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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.