Home / 8,195.10-12,291.71-2,272.43

Finding the Fourth Proportional to 8,195.10, 12,291.71 and 2,272.43

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Solution

The fourth proportional to 8,195.10, 12,291.71 and 2,272.43 is: 3,408.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195.10 : 12,291.71 = 2,272.43 : x
  2. Step 2: Convert to fraction form
    8,195.10/12,291.71 = 2,272.43/x
  3. Step 3: Cross multiply
    8,195.10x = 12,291.71 × 2,272.43
  4. Step 4: Simplify right side
    8,195.10x = 27,931,977.73
  5. Step 5: Solve for x
    x = 27,931,977.73/8,195.10
  6. Step 6: Final answer
    x = 3,408.38

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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.