Home / 12,206.52-18,313.20-3,441.48

Finding the Fourth Proportional to 12,206.52, 18,313.20 and 3,441.48

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Solution

The fourth proportional to 12,206.52, 18,313.20 and 3,441.48 is: 5,163.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,206.52 : 18,313.20 = 3,441.48 : x
  2. Step 2: Convert to fraction form
    12,206.52/18,313.20 = 3,441.48/x
  3. Step 3: Cross multiply
    12,206.52x = 18,313.20 × 3,441.48
  4. Step 4: Simplify right side
    12,206.52x = 63,024,511.54
  5. Step 5: Solve for x
    x = 63,024,511.54/12,206.52
  6. Step 6: Final answer
    x = 5,163.18

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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.