Home / 11,040.16-15,234.96-6,324.88

Finding the Fourth Proportional to 11,040.16, 15,234.96 and 6,324.88

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Solution

The fourth proportional to 11,040.16, 15,234.96 and 6,324.88 is: 8,728.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,040.16 : 15,234.96 = 6,324.88 : x
  2. Step 2: Convert to fraction form
    11,040.16/15,234.96 = 6,324.88/x
  3. Step 3: Cross multiply
    11,040.16x = 15,234.96 × 6,324.88
  4. Step 4: Simplify right side
    11,040.16x = 96,359,293.80
  5. Step 5: Solve for x
    x = 96,359,293.80/11,040.16
  6. Step 6: Final answer
    x = 8,728.07

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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.