Home / 11,715.24-17,579.79-4,324.89

Finding the Fourth Proportional to 11,715.24, 17,579.79 and 4,324.89

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Solution

The fourth proportional to 11,715.24, 17,579.79 and 4,324.89 is: 6,489.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,715.24 : 17,579.79 = 4,324.89 : x
  2. Step 2: Convert to fraction form
    11,715.24/17,579.79 = 4,324.89/x
  3. Step 3: Cross multiply
    11,715.24x = 17,579.79 × 4,324.89
  4. Step 4: Simplify right side
    11,715.24x = 76,030,657.97
  5. Step 5: Solve for x
    x = 76,030,657.97/11,715.24
  6. Step 6: Final answer
    x = 6,489.89

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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.