Home / 10,163.99-15,245.85-3,589.22

Finding the Fourth Proportional to 10,163.99, 15,245.85 and 3,589.22

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Solution

The fourth proportional to 10,163.99, 15,245.85 and 3,589.22 is: 5,383.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,163.99 : 15,245.85 = 3,589.22 : x
  2. Step 2: Convert to fraction form
    10,163.99/15,245.85 = 3,589.22/x
  3. Step 3: Cross multiply
    10,163.99x = 15,245.85 × 3,589.22
  4. Step 4: Simplify right side
    10,163.99x = 54,720,709.74
  5. Step 5: Solve for x
    x = 54,720,709.74/10,163.99
  6. Step 6: Final answer
    x = 5,383.78

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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.