Home / 11,243.48-16,869.60-4,668

Finding the Fourth Proportional to 11,243.48, 16,869.60 and 4,668

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Solution

The fourth proportional to 11,243.48, 16,869.60 and 4,668 is: 7,003.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,243.48 : 16,869.60 = 4,668 : x
  2. Step 2: Convert to fraction form
    11,243.48/16,869.60 = 4,668/x
  3. Step 3: Cross multiply
    11,243.48x = 16,869.60 × 4,668
  4. Step 4: Simplify right side
    11,243.48x = 78,747,292.80
  5. Step 5: Solve for x
    x = 78,747,292.80/11,243.48
  6. Step 6: Final answer
    x = 7,003.82

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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.