Home / 11,515.32-17,272.17-4,494.03

Finding the Fourth Proportional to 11,515.32, 17,272.17 and 4,494.03

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Solution

The fourth proportional to 11,515.32, 17,272.17 and 4,494.03 is: 6,740.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,515.32 : 17,272.17 = 4,494.03 : x
  2. Step 2: Convert to fraction form
    11,515.32/17,272.17 = 4,494.03/x
  3. Step 3: Cross multiply
    11,515.32x = 17,272.17 × 4,494.03
  4. Step 4: Simplify right side
    11,515.32x = 77,621,650.15
  5. Step 5: Solve for x
    x = 77,621,650.15/11,515.32
  6. Step 6: Final answer
    x = 6,740.73

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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.