Home / 11,729.30-17,581.19-4,327.52

Finding the Fourth Proportional to 11,729.30, 17,581.19 and 4,327.52

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Solution

The fourth proportional to 11,729.30, 17,581.19 and 4,327.52 is: 6,486.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,729.30 : 17,581.19 = 4,327.52 : x
  2. Step 2: Convert to fraction form
    11,729.30/17,581.19 = 4,327.52/x
  3. Step 3: Cross multiply
    11,729.30x = 17,581.19 × 4,327.52
  4. Step 4: Simplify right side
    11,729.30x = 76,082,841.81
  5. Step 5: Solve for x
    x = 76,082,841.81/11,729.30
  6. Step 6: Final answer
    x = 6,486.57

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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.