Home / 11,906.85-16,394.04-10,110.56

Finding the Fourth Proportional to 11,906.85, 16,394.04 and 10,110.56

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Solution

The fourth proportional to 11,906.85, 16,394.04 and 10,110.56 is: 13,920.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,906.85 : 16,394.04 = 10,110.56 : x
  2. Step 2: Convert to fraction form
    11,906.85/16,394.04 = 10,110.56/x
  3. Step 3: Cross multiply
    11,906.85x = 16,394.04 × 10,110.56
  4. Step 4: Simplify right side
    11,906.85x = 165,752,925.06
  5. Step 5: Solve for x
    x = 165,752,925.06/11,906.85
  6. Step 6: Final answer
    x = 13,920.80

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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.