Home / 10,786.60-16,182.20-6,108.81

Finding the Fourth Proportional to 10,786.60, 16,182.20 and 6,108.81

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Solution

The fourth proportional to 10,786.60, 16,182.20 and 6,108.81 is: 9,164.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,786.60 : 16,182.20 = 6,108.81 : x
  2. Step 2: Convert to fraction form
    10,786.60/16,182.20 = 6,108.81/x
  3. Step 3: Cross multiply
    10,786.60x = 16,182.20 × 6,108.81
  4. Step 4: Simplify right side
    10,786.60x = 98,853,873.73
  5. Step 5: Solve for x
    x = 98,853,873.73/10,786.60
  6. Step 6: Final answer
    x = 9,164.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.