Home / 27,634.78-41,439.99-7,908.85

Finding the Fourth Proportional to 27,634.78, 41,439.99 and 7,908.85

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Solution

The fourth proportional to 27,634.78, 41,439.99 and 7,908.85 is: 11,859.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,634.78 : 41,439.99 = 7,908.85 : x
  2. Step 2: Convert to fraction form
    27,634.78/41,439.99 = 7,908.85/x
  3. Step 3: Cross multiply
    27,634.78x = 41,439.99 × 7,908.85
  4. Step 4: Simplify right side
    27,634.78x = 327,742,664.91
  5. Step 5: Solve for x
    x = 327,742,664.91/27,634.78
  6. Step 6: Final answer
    x = 11,859.79

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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.