Home / 7,104.15-9,793.85-4,449.78

Finding the Fourth Proportional to 7,104.15, 9,793.85 and 4,449.78

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Solution

The fourth proportional to 7,104.15, 9,793.85 and 4,449.78 is: 6,134.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,104.15 : 9,793.85 = 4,449.78 : x
  2. Step 2: Convert to fraction form
    7,104.15/9,793.85 = 4,449.78/x
  3. Step 3: Cross multiply
    7,104.15x = 9,793.85 × 4,449.78
  4. Step 4: Simplify right side
    7,104.15x = 43,580,455.60
  5. Step 5: Solve for x
    x = 43,580,455.60/7,104.15
  6. Step 6: Final answer
    x = 6,134.51

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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.