Home / 11,542.22-15,929.97-8,553.86

Finding the Fourth Proportional to 11,542.22, 15,929.97 and 8,553.86

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Solution

The fourth proportional to 11,542.22, 15,929.97 and 8,553.86 is: 11,805.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,542.22 : 15,929.97 = 8,553.86 : x
  2. Step 2: Convert to fraction form
    11,542.22/15,929.97 = 8,553.86/x
  3. Step 3: Cross multiply
    11,542.22x = 15,929.97 × 8,553.86
  4. Step 4: Simplify right side
    11,542.22x = 136,262,733.18
  5. Step 5: Solve for x
    x = 136,262,733.18/11,542.22
  6. Step 6: Final answer
    x = 11,805.59

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1.5x scale

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.