Home / 11,987.73-16,546.41-9,601.47

Finding the Fourth Proportional to 11,987.73, 16,546.41 and 9,601.47

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Solution

The fourth proportional to 11,987.73, 16,546.41 and 9,601.47 is: 13,252.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,987.73 : 16,546.41 = 9,601.47 : x
  2. Step 2: Convert to fraction form
    11,987.73/16,546.41 = 9,601.47/x
  3. Step 3: Cross multiply
    11,987.73x = 16,546.41 × 9,601.47
  4. Step 4: Simplify right side
    11,987.73x = 158,869,859.22
  5. Step 5: Solve for x
    x = 158,869,859.22/11,987.73
  6. Step 6: Final answer
    x = 13,252.71

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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.