Home / 11,581.43-17,372.07-2,816.42

Finding the Fourth Proportional to 11,581.43, 17,372.07 and 2,816.42

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Solution

The fourth proportional to 11,581.43, 17,372.07 and 2,816.42 is: 4,224.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,581.43 : 17,372.07 = 2,816.42 : x
  2. Step 2: Convert to fraction form
    11,581.43/17,372.07 = 2,816.42/x
  3. Step 3: Cross multiply
    11,581.43x = 17,372.07 × 2,816.42
  4. Step 4: Simplify right side
    11,581.43x = 48,926,958.53
  5. Step 5: Solve for x
    x = 48,926,958.53/11,581.43
  6. Step 6: Final answer
    x = 4,224.61

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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.