Home / 11,906.37-16,431.39-6,601.07

Finding the Fourth Proportional to 11,906.37, 16,431.39 and 6,601.07

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Solution

The fourth proportional to 11,906.37, 16,431.39 and 6,601.07 is: 9,109.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,906.37 : 16,431.39 = 6,601.07 : x
  2. Step 2: Convert to fraction form
    11,906.37/16,431.39 = 6,601.07/x
  3. Step 3: Cross multiply
    11,906.37x = 16,431.39 × 6,601.07
  4. Step 4: Simplify right side
    11,906.37x = 108,464,796.67
  5. Step 5: Solve for x
    x = 108,464,796.67/11,906.37
  6. Step 6: Final answer
    x = 9,109.81

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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.