Home / 11,456.35-17,184.51-3,136.43

Finding the Fourth Proportional to 11,456.35, 17,184.51 and 3,136.43

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Solution

The fourth proportional to 11,456.35, 17,184.51 and 3,136.43 is: 4,704.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,456.35 : 17,184.51 = 3,136.43 : x
  2. Step 2: Convert to fraction form
    11,456.35/17,184.51 = 3,136.43/x
  3. Step 3: Cross multiply
    11,456.35x = 17,184.51 × 3,136.43
  4. Step 4: Simplify right side
    11,456.35x = 53,898,055.66
  5. Step 5: Solve for x
    x = 53,898,055.66/11,456.35
  6. Step 6: Final answer
    x = 4,704.65

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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.