Home / 7,449.24-11,163.30-5,486.04

Finding the Fourth Proportional to 7,449.24, 11,163.30 and 5,486.04

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Solution

The fourth proportional to 7,449.24, 11,163.30 and 5,486.04 is: 8,221.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.24 : 11,163.30 = 5,486.04 : x
  2. Step 2: Convert to fraction form
    7,449.24/11,163.30 = 5,486.04/x
  3. Step 3: Cross multiply
    7,449.24x = 11,163.30 × 5,486.04
  4. Step 4: Simplify right side
    7,449.24x = 61,242,310.33
  5. Step 5: Solve for x
    x = 61,242,310.33/7,449.24
  6. Step 6: Final answer
    x = 8,221.28

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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.