Home / 11,599.67-17,400.45-3,279.75

Finding the Fourth Proportional to 11,599.67, 17,400.45 and 3,279.75

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Solution

The fourth proportional to 11,599.67, 17,400.45 and 3,279.75 is: 4,919.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,599.67 : 17,400.45 = 3,279.75 : x
  2. Step 2: Convert to fraction form
    11,599.67/17,400.45 = 3,279.75/x
  3. Step 3: Cross multiply
    11,599.67x = 17,400.45 × 3,279.75
  4. Step 4: Simplify right side
    11,599.67x = 57,069,125.89
  5. Step 5: Solve for x
    x = 57,069,125.89/11,599.67
  6. Step 6: Final answer
    x = 4,919.89

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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.