Home / 10,067.82-13,906.66-7,663.19

Finding the Fourth Proportional to 10,067.82, 13,906.66 and 7,663.19

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Solution

The fourth proportional to 10,067.82, 13,906.66 and 7,663.19 is: 10,585.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,067.82 : 13,906.66 = 7,663.19 : x
  2. Step 2: Convert to fraction form
    10,067.82/13,906.66 = 7,663.19/x
  3. Step 3: Cross multiply
    10,067.82x = 13,906.66 × 7,663.19
  4. Step 4: Simplify right side
    10,067.82x = 106,569,289.15
  5. Step 5: Solve for x
    x = 106,569,289.15/10,067.82
  6. Step 6: Final answer
    x = 10,585.14

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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.