Home / 11,786.54-16,265.66-6,481.64

Finding the Fourth Proportional to 11,786.54, 16,265.66 and 6,481.64

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Solution

The fourth proportional to 11,786.54, 16,265.66 and 6,481.64 is: 8,944.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,786.54 : 16,265.66 = 6,481.64 : x
  2. Step 2: Convert to fraction form
    11,786.54/16,265.66 = 6,481.64/x
  3. Step 3: Cross multiply
    11,786.54x = 16,265.66 × 6,481.64
  4. Step 4: Simplify right side
    11,786.54x = 105,428,038.75
  5. Step 5: Solve for x
    x = 105,428,038.75/11,786.54
  6. Step 6: Final answer
    x = 8,944.79

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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.