Home / 11,656.12-16,090.26-8,299.48

Finding the Fourth Proportional to 11,656.12, 16,090.26 and 8,299.48

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Solution

The fourth proportional to 11,656.12, 16,090.26 and 8,299.48 is: 11,456.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,656.12 : 16,090.26 = 8,299.48 : x
  2. Step 2: Convert to fraction form
    11,656.12/16,090.26 = 8,299.48/x
  3. Step 3: Cross multiply
    11,656.12x = 16,090.26 × 8,299.48
  4. Step 4: Simplify right side
    11,656.12x = 133,540,791.06
  5. Step 5: Solve for x
    x = 133,540,791.06/11,656.12
  6. Step 6: Final answer
    x = 11,456.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.