Home / 12,601.22-18,901.85-3,836.21

Finding the Fourth Proportional to 12,601.22, 18,901.85 and 3,836.21

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Solution

The fourth proportional to 12,601.22, 18,901.85 and 3,836.21 is: 5,754.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,601.22 : 18,901.85 = 3,836.21 : x
  2. Step 2: Convert to fraction form
    12,601.22/18,901.85 = 3,836.21/x
  3. Step 3: Cross multiply
    12,601.22x = 18,901.85 × 3,836.21
  4. Step 4: Simplify right side
    12,601.22x = 72,511,352.30
  5. Step 5: Solve for x
    x = 72,511,352.30/12,601.22
  6. Step 6: Final answer
    x = 5,754.31

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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.