Home / 11,719.52-17,581.64-4,324.02

Finding the Fourth Proportional to 11,719.52, 17,581.64 and 4,324.02

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Solution

The fourth proportional to 11,719.52, 17,581.64 and 4,324.02 is: 6,486.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,719.52 : 17,581.64 = 4,324.02 : x
  2. Step 2: Convert to fraction form
    11,719.52/17,581.64 = 4,324.02/x
  3. Step 3: Cross multiply
    11,719.52x = 17,581.64 × 4,324.02
  4. Step 4: Simplify right side
    11,719.52x = 76,023,362.99
  5. Step 5: Solve for x
    x = 76,023,362.99/11,719.52
  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.