Home / 11,040.40-15,235.62-6,324.64

Finding the Fourth Proportional to 11,040.40, 15,235.62 and 6,324.64

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Solution

The fourth proportional to 11,040.40, 15,235.62 and 6,324.64 is: 8,727.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,040.40 : 15,235.62 = 6,324.64 : x
  2. Step 2: Convert to fraction form
    11,040.40/15,235.62 = 6,324.64/x
  3. Step 3: Cross multiply
    11,040.40x = 15,235.62 × 6,324.64
  4. Step 4: Simplify right side
    11,040.40x = 96,359,811.68
  5. Step 5: Solve for x
    x = 96,359,811.68/11,040.40
  6. Step 6: Final answer
    x = 8,727.93

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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.