Home / 8,170.22-12,256.46-2,622.26

Finding the Fourth Proportional to 8,170.22, 12,256.46 and 2,622.26

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Solution

The fourth proportional to 8,170.22, 12,256.46 and 2,622.26 is: 3,933.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170.22 : 12,256.46 = 2,622.26 : x
  2. Step 2: Convert to fraction form
    8,170.22/12,256.46 = 2,622.26/x
  3. Step 3: Cross multiply
    8,170.22x = 12,256.46 × 2,622.26
  4. Step 4: Simplify right side
    8,170.22x = 32,139,624.80
  5. Step 5: Solve for x
    x = 32,139,624.80/8,170.22
  6. Step 6: Final answer
    x = 3,933.75

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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.