Home / 11,906.64-16,431.39-6,601.95

Finding the Fourth Proportional to 11,906.64, 16,431.39 and 6,601.95

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Solution

The fourth proportional to 11,906.64, 16,431.39 and 6,601.95 is: 9,110.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,906.64 : 16,431.39 = 6,601.95 : x
  2. Step 2: Convert to fraction form
    11,906.64/16,431.39 = 6,601.95/x
  3. Step 3: Cross multiply
    11,906.64x = 16,431.39 × 6,601.95
  4. Step 4: Simplify right side
    11,906.64x = 108,479,215.21
  5. Step 5: Solve for x
    x = 108,479,215.21/11,906.64
  6. Step 6: Final answer
    x = 9,110.82

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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.