Home / 11,906.96-16,394.16-10,110.64

Finding the Fourth Proportional to 11,906.96, 16,394.16 and 10,110.64

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Solution

The fourth proportional to 11,906.96, 16,394.16 and 10,110.64 is: 13,920.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,906.96 : 16,394.16 = 10,110.64 : x
  2. Step 2: Convert to fraction form
    11,906.96/16,394.16 = 10,110.64/x
  3. Step 3: Cross multiply
    11,906.96x = 16,394.16 × 10,110.64
  4. Step 4: Simplify right side
    11,906.96x = 165,755,449.86
  5. Step 5: Solve for x
    x = 165,755,449.86/11,906.96
  6. Step 6: Final answer
    x = 13,920.89

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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.