Home / 11,719.54-17,581.65-4,324.03

Finding the Fourth Proportional to 11,719.54, 17,581.65 and 4,324.03

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Solution

The fourth proportional to 11,719.54, 17,581.65 and 4,324.03 is: 6,486.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,719.54 : 17,581.65 = 4,324.03 : x
  2. Step 2: Convert to fraction form
    11,719.54/17,581.65 = 4,324.03/x
  3. Step 3: Cross multiply
    11,719.54x = 17,581.65 × 4,324.03
  4. Step 4: Simplify right side
    11,719.54x = 76,023,494.14
  5. Step 5: Solve for x
    x = 76,023,494.14/11,719.54
  6. Step 6: Final answer
    x = 6,486.90

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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.