Home / 8,540.33-12,811.19-2,617.02

Finding the Fourth Proportional to 8,540.33, 12,811.19 and 2,617.02

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Solution

The fourth proportional to 8,540.33, 12,811.19 and 2,617.02 is: 3,925.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,540.33 : 12,811.19 = 2,617.02 : x
  2. Step 2: Convert to fraction form
    8,540.33/12,811.19 = 2,617.02/x
  3. Step 3: Cross multiply
    8,540.33x = 12,811.19 × 2,617.02
  4. Step 4: Simplify right side
    8,540.33x = 33,527,127.37
  5. Step 5: Solve for x
    x = 33,527,127.37/8,540.33
  6. Step 6: Final answer
    x = 3,925.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.