Home / 8,107.28-12,161.56-2,263.92

Finding the Fourth Proportional to 8,107.28, 12,161.56 and 2,263.92

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Solution

The fourth proportional to 8,107.28, 12,161.56 and 2,263.92 is: 3,396.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,107.28 : 12,161.56 = 2,263.92 : x
  2. Step 2: Convert to fraction form
    8,107.28/12,161.56 = 2,263.92/x
  3. Step 3: Cross multiply
    8,107.28x = 12,161.56 × 2,263.92
  4. Step 4: Simplify right side
    8,107.28x = 27,532,798.92
  5. Step 5: Solve for x
    x = 27,532,798.92/8,107.28
  6. Step 6: Final answer
    x = 3,396.06

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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.