Home / 11,719.53-17,581.53-4,324.56

Finding the Fourth Proportional to 11,719.53, 17,581.53 and 4,324.56

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Solution

The fourth proportional to 11,719.53, 17,581.53 and 4,324.56 is: 6,487.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,719.53 : 17,581.53 = 4,324.56 : x
  2. Step 2: Convert to fraction form
    11,719.53/17,581.53 = 4,324.56/x
  3. Step 3: Cross multiply
    11,719.53x = 17,581.53 × 4,324.56
  4. Step 4: Simplify right side
    11,719.53x = 76,032,381.38
  5. Step 5: Solve for x
    x = 76,032,381.38/11,719.53
  6. Step 6: Final answer
    x = 6,487.66

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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.