Home / 11,845.58-16,346.79-6,540.28

Finding the Fourth Proportional to 11,845.58, 16,346.79 and 6,540.28

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Solution

The fourth proportional to 11,845.58, 16,346.79 and 6,540.28 is: 9,025.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.58 : 16,346.79 = 6,540.28 : x
  2. Step 2: Convert to fraction form
    11,845.58/16,346.79 = 6,540.28/x
  3. Step 3: Cross multiply
    11,845.58x = 16,346.79 × 6,540.28
  4. Step 4: Simplify right side
    11,845.58x = 106,912,469.27
  5. Step 5: Solve for x
    x = 106,912,469.27/11,845.58
  6. Step 6: Final answer
    x = 9,025.52

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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.