Home / 10,570.38-15,839.09-3,992.97

Finding the Fourth Proportional to 10,570.38, 15,839.09 and 3,992.97

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Solution

The fourth proportional to 10,570.38, 15,839.09 and 3,992.97 is: 5,983.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,570.38 : 15,839.09 = 3,992.97 : x
  2. Step 2: Convert to fraction form
    10,570.38/15,839.09 = 3,992.97/x
  3. Step 3: Cross multiply
    10,570.38x = 15,839.09 × 3,992.97
  4. Step 4: Simplify right side
    10,570.38x = 63,245,011.20
  5. Step 5: Solve for x
    x = 63,245,011.20/10,570.38
  6. Step 6: Final answer
    x = 5,983.23

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1.5x scale

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.