Home / 11,786.92-16,265.81-6,481.42

Finding the Fourth Proportional to 11,786.92, 16,265.81 and 6,481.42

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Solution

The fourth proportional to 11,786.92, 16,265.81 and 6,481.42 is: 8,944.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,786.92 : 16,265.81 = 6,481.42 : x
  2. Step 2: Convert to fraction form
    11,786.92/16,265.81 = 6,481.42/x
  3. Step 3: Cross multiply
    11,786.92x = 16,265.81 × 6,481.42
  4. Step 4: Simplify right side
    11,786.92x = 105,425,432.51
  5. Step 5: Solve for x
    x = 105,425,432.51/11,786.92
  6. Step 6: Final answer
    x = 8,944.28

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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.