Home / 11,825.45-17,726.19-7,668.09

Finding the Fourth Proportional to 11,825.45, 17,726.19 and 7,668.09

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Solution

The fourth proportional to 11,825.45, 17,726.19 and 7,668.09 is: 11,494.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,825.45 : 17,726.19 = 7,668.09 : x
  2. Step 2: Convert to fraction form
    11,825.45/17,726.19 = 7,668.09/x
  3. Step 3: Cross multiply
    11,825.45x = 17,726.19 × 7,668.09
  4. Step 4: Simplify right side
    11,825.45x = 135,926,020.28
  5. Step 5: Solve for x
    x = 135,926,020.28/11,825.45
  6. Step 6: Final answer
    x = 11,494.37

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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.