Home / 11,845.38-16,346.85-6,540.42

Finding the Fourth Proportional to 11,845.38, 16,346.85 and 6,540.42

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Solution

The fourth proportional to 11,845.38, 16,346.85 and 6,540.42 is: 9,025.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.38 : 16,346.85 = 6,540.42 : x
  2. Step 2: Convert to fraction form
    11,845.38/16,346.85 = 6,540.42/x
  3. Step 3: Cross multiply
    11,845.38x = 16,346.85 × 6,540.42
  4. Step 4: Simplify right side
    11,845.38x = 106,915,264.68
  5. Step 5: Solve for x
    x = 106,915,264.68/11,845.38
  6. Step 6: Final answer
    x = 9,025.90

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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.