Home / 8,272.12-12,404.80-4,110.60

Finding the Fourth Proportional to 8,272.12, 12,404.80 and 4,110.60

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Solution

The fourth proportional to 8,272.12, 12,404.80 and 4,110.60 is: 6,164.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272.12 : 12,404.80 = 4,110.60 : x
  2. Step 2: Convert to fraction form
    8,272.12/12,404.80 = 4,110.60/x
  3. Step 3: Cross multiply
    8,272.12x = 12,404.80 × 4,110.60
  4. Step 4: Simplify right side
    8,272.12x = 50,991,170.88
  5. Step 5: Solve for x
    x = 50,991,170.88/8,272.12
  6. Step 6: Final answer
    x = 6,164.22

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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.