Home / 8,149.70-11,245.88-5,500.73

Finding the Fourth Proportional to 8,149.70, 11,245.88 and 5,500.73

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Solution

The fourth proportional to 8,149.70, 11,245.88 and 5,500.73 is: 7,590.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.70 : 11,245.88 = 5,500.73 : x
  2. Step 2: Convert to fraction form
    8,149.70/11,245.88 = 5,500.73/x
  3. Step 3: Cross multiply
    8,149.70x = 11,245.88 × 5,500.73
  4. Step 4: Simplify right side
    8,149.70x = 61,860,465.76
  5. Step 5: Solve for x
    x = 61,860,465.76/8,149.70
  6. Step 6: Final answer
    x = 7,590.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.