Home / 11,306.43-16,959.37-2,987.03

Finding the Fourth Proportional to 11,306.43, 16,959.37 and 2,987.03

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Solution

The fourth proportional to 11,306.43, 16,959.37 and 2,987.03 is: 4,480.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,306.43 : 16,959.37 = 2,987.03 : x
  2. Step 2: Convert to fraction form
    11,306.43/16,959.37 = 2,987.03/x
  3. Step 3: Cross multiply
    11,306.43x = 16,959.37 × 2,987.03
  4. Step 4: Simplify right side
    11,306.43x = 50,658,062.17
  5. Step 5: Solve for x
    x = 50,658,062.17/11,306.43
  6. Step 6: Final answer
    x = 4,480.47

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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.