Home / 10,514.38-15,771.37-2,722.99

Finding the Fourth Proportional to 10,514.38, 15,771.37 and 2,722.99

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Solution

The fourth proportional to 10,514.38, 15,771.37 and 2,722.99 is: 4,084.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,514.38 : 15,771.37 = 2,722.99 : x
  2. Step 2: Convert to fraction form
    10,514.38/15,771.37 = 2,722.99/x
  3. Step 3: Cross multiply
    10,514.38x = 15,771.37 × 2,722.99
  4. Step 4: Simplify right side
    10,514.38x = 42,945,282.80
  5. Step 5: Solve for x
    x = 42,945,282.80/10,514.38
  6. Step 6: Final answer
    x = 4,084.43

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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.