Home / 8,073.68-12,106.62-3,392.36

Finding the Fourth Proportional to 8,073.68, 12,106.62 and 3,392.36

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Solution

The fourth proportional to 8,073.68, 12,106.62 and 3,392.36 is: 5,086.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,073.68 : 12,106.62 = 3,392.36 : x
  2. Step 2: Convert to fraction form
    8,073.68/12,106.62 = 3,392.36/x
  3. Step 3: Cross multiply
    8,073.68x = 12,106.62 × 3,392.36
  4. Step 4: Simplify right side
    8,073.68x = 41,070,013.42
  5. Step 5: Solve for x
    x = 41,070,013.42/8,073.68
  6. Step 6: Final answer
    x = 5,086.90

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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.