Home / 11,058.24-15,279.79-8,838.44

Finding the Fourth Proportional to 11,058.24, 15,279.79 and 8,838.44

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Solution

The fourth proportional to 11,058.24, 15,279.79 and 8,838.44 is: 12,212.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,058.24 : 15,279.79 = 8,838.44 : x
  2. Step 2: Convert to fraction form
    11,058.24/15,279.79 = 8,838.44/x
  3. Step 3: Cross multiply
    11,058.24x = 15,279.79 × 8,838.44
  4. Step 4: Simplify right side
    11,058.24x = 135,049,430.73
  5. Step 5: Solve for x
    x = 135,049,430.73/11,058.24
  6. Step 6: Final answer
    x = 12,212.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.