Home / 11,811.24-17,720.91-4,025.52

Finding the Fourth Proportional to 11,811.24, 17,720.91 and 4,025.52

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Solution

The fourth proportional to 11,811.24, 17,720.91 and 4,025.52 is: 6,039.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,811.24 : 17,720.91 = 4,025.52 : x
  2. Step 2: Convert to fraction form
    11,811.24/17,720.91 = 4,025.52/x
  3. Step 3: Cross multiply
    11,811.24x = 17,720.91 × 4,025.52
  4. Step 4: Simplify right side
    11,811.24x = 71,335,877.62
  5. Step 5: Solve for x
    x = 71,335,877.62/11,811.24
  6. Step 6: Final answer
    x = 6,039.66

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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.