Home / 12,164.60-18,246.85-3,844.61

Finding the Fourth Proportional to 12,164.60, 18,246.85 and 3,844.61

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Solution

The fourth proportional to 12,164.60, 18,246.85 and 3,844.61 is: 5,766.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,164.60 : 18,246.85 = 3,844.61 : x
  2. Step 2: Convert to fraction form
    12,164.60/18,246.85 = 3,844.61/x
  3. Step 3: Cross multiply
    12,164.60x = 18,246.85 × 3,844.61
  4. Step 4: Simplify right side
    12,164.60x = 70,151,921.13
  5. Step 5: Solve for x
    x = 70,151,921.13/12,164.60
  6. Step 6: Final answer
    x = 5,766.89

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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.