Home / 11,029.92-15,234.48-8,040.96

Finding the Fourth Proportional to 11,029.92, 15,234.48 and 8,040.96

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Solution

The fourth proportional to 11,029.92, 15,234.48 and 8,040.96 is: 11,106.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,029.92 : 15,234.48 = 8,040.96 : x
  2. Step 2: Convert to fraction form
    11,029.92/15,234.48 = 8,040.96/x
  3. Step 3: Cross multiply
    11,029.92x = 15,234.48 × 8,040.96
  4. Step 4: Simplify right side
    11,029.92x = 122,499,844.30
  5. Step 5: Solve for x
    x = 122,499,844.30/11,029.92
  6. Step 6: Final answer
    x = 11,106.14

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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.