Home / 11,928.27-17,892.41-4,137.09

Finding the Fourth Proportional to 11,928.27, 17,892.41 and 4,137.09

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Solution

The fourth proportional to 11,928.27, 17,892.41 and 4,137.09 is: 6,205.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,928.27 : 17,892.41 = 4,137.09 : x
  2. Step 2: Convert to fraction form
    11,928.27/17,892.41 = 4,137.09/x
  3. Step 3: Cross multiply
    11,928.27x = 17,892.41 × 4,137.09
  4. Step 4: Simplify right side
    11,928.27x = 74,022,510.49
  5. Step 5: Solve for x
    x = 74,022,510.49/11,928.27
  6. Step 6: Final answer
    x = 6,205.64

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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.