Home / 11,272.12-16,896.24-4,249.09

Finding the Fourth Proportional to 11,272.12, 16,896.24 and 4,249.09

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Solution

The fourth proportional to 11,272.12, 16,896.24 and 4,249.09 is: 6,369.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,272.12 : 16,896.24 = 4,249.09 : x
  2. Step 2: Convert to fraction form
    11,272.12/16,896.24 = 4,249.09/x
  3. Step 3: Cross multiply
    11,272.12x = 16,896.24 × 4,249.09
  4. Step 4: Simplify right side
    11,272.12x = 71,793,644.42
  5. Step 5: Solve for x
    x = 71,793,644.42/11,272.12
  6. Step 6: Final answer
    x = 6,369.13

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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.