Home / 7,449.20-11,170.19-4,330.10

Finding the Fourth Proportional to 7,449.20, 11,170.19 and 4,330.10

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Solution

The fourth proportional to 7,449.20, 11,170.19 and 4,330.10 is: 6,493.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.20 : 11,170.19 = 4,330.10 : x
  2. Step 2: Convert to fraction form
    7,449.20/11,170.19 = 4,330.10/x
  3. Step 3: Cross multiply
    7,449.20x = 11,170.19 × 4,330.10
  4. Step 4: Simplify right side
    7,449.20x = 48,367,962.22
  5. Step 5: Solve for x
    x = 48,367,962.22/7,449.20
  6. Step 6: Final answer
    x = 6,493.05

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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.