Home / 11,149.48-16,721.04-4,486

Finding the Fourth Proportional to 11,149.48, 16,721.04 and 4,486

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Solution

The fourth proportional to 11,149.48, 16,721.04 and 4,486 is: 6,727.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,149.48 : 16,721.04 = 4,486 : x
  2. Step 2: Convert to fraction form
    11,149.48/16,721.04 = 4,486/x
  3. Step 3: Cross multiply
    11,149.48x = 16,721.04 × 4,486
  4. Step 4: Simplify right side
    11,149.48x = 75,010,585.44
  5. Step 5: Solve for x
    x = 75,010,585.44/11,149.48
  6. Step 6: Final answer
    x = 6,727.72

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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.