Home / 12,732.63-17,571.21-7,067.75

Finding the Fourth Proportional to 12,732.63, 17,571.21 and 7,067.75

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Solution

The fourth proportional to 12,732.63, 17,571.21 and 7,067.75 is: 9,753.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,732.63 : 17,571.21 = 7,067.75 : x
  2. Step 2: Convert to fraction form
    12,732.63/17,571.21 = 7,067.75/x
  3. Step 3: Cross multiply
    12,732.63x = 17,571.21 × 7,067.75
  4. Step 4: Simplify right side
    12,732.63x = 124,188,831.62
  5. Step 5: Solve for x
    x = 124,188,831.62/12,732.63
  6. Step 6: Final answer
    x = 9,753.59

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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.