Home / 11,634.81-17,451.90-2,869.80

Finding the Fourth Proportional to 11,634.81, 17,451.90 and 2,869.80

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Solution

The fourth proportional to 11,634.81, 17,451.90 and 2,869.80 is: 4,304.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,634.81 : 17,451.90 = 2,869.80 : x
  2. Step 2: Convert to fraction form
    11,634.81/17,451.90 = 2,869.80/x
  3. Step 3: Cross multiply
    11,634.81x = 17,451.90 × 2,869.80
  4. Step 4: Simplify right side
    11,634.81x = 50,083,462.62
  5. Step 5: Solve for x
    x = 50,083,462.62/11,634.81
  6. Step 6: Final answer
    x = 4,304.62

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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.