Home / 11,223.48-15,481.98-7,024.44

Finding the Fourth Proportional to 11,223.48, 15,481.98 and 7,024.44

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Solution

The fourth proportional to 11,223.48, 15,481.98 and 7,024.44 is: 9,689.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,223.48 : 15,481.98 = 7,024.44 : x
  2. Step 2: Convert to fraction form
    11,223.48/15,481.98 = 7,024.44/x
  3. Step 3: Cross multiply
    11,223.48x = 15,481.98 × 7,024.44
  4. Step 4: Simplify right side
    11,223.48x = 108,752,239.59
  5. Step 5: Solve for x
    x = 108,752,239.59/11,223.48
  6. Step 6: Final answer
    x = 9,689.71

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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.