Home / 11,986.19-16,540.60-7,512.41

Finding the Fourth Proportional to 11,986.19, 16,540.60 and 7,512.41

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Solution

The fourth proportional to 11,986.19, 16,540.60 and 7,512.41 is: 10,366.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,986.19 : 16,540.60 = 7,512.41 : x
  2. Step 2: Convert to fraction form
    11,986.19/16,540.60 = 7,512.41/x
  3. Step 3: Cross multiply
    11,986.19x = 16,540.60 × 7,512.41
  4. Step 4: Simplify right side
    11,986.19x = 124,259,648.58
  5. Step 5: Solve for x
    x = 124,259,648.58/11,986.19
  6. Step 6: Final answer
    x = 10,366.91

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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.