Home / 12,514.12-17,177.49-11,066.09

Finding the Fourth Proportional to 12,514.12, 17,177.49 and 11,066.09

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Solution

The fourth proportional to 12,514.12, 17,177.49 and 11,066.09 is: 15,189.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,514.12 : 17,177.49 = 11,066.09 : x
  2. Step 2: Convert to fraction form
    12,514.12/17,177.49 = 11,066.09/x
  3. Step 3: Cross multiply
    12,514.12x = 17,177.49 × 11,066.09
  4. Step 4: Simplify right side
    12,514.12x = 190,087,564.43
  5. Step 5: Solve for x
    x = 190,087,564.43/12,514.12
  6. Step 6: Final answer
    x = 15,189.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.