Home / 8,371.68-12,556.92-3,441.12

Finding the Fourth Proportional to 8,371.68, 12,556.92 and 3,441.12

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Solution

The fourth proportional to 8,371.68, 12,556.92 and 3,441.12 is: 5,161.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,371.68 : 12,556.92 = 3,441.12 : x
  2. Step 2: Convert to fraction form
    8,371.68/12,556.92 = 3,441.12/x
  3. Step 3: Cross multiply
    8,371.68x = 12,556.92 × 3,441.12
  4. Step 4: Simplify right side
    8,371.68x = 43,209,868.55
  5. Step 5: Solve for x
    x = 43,209,868.55/8,371.68
  6. Step 6: Final answer
    x = 5,161.43

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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.