Home / 8,163.31-12,245.85-3,483.81

Finding the Fourth Proportional to 8,163.31, 12,245.85 and 3,483.81

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Solution

The fourth proportional to 8,163.31, 12,245.85 and 3,483.81 is: 5,226.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.31 : 12,245.85 = 3,483.81 : x
  2. Step 2: Convert to fraction form
    8,163.31/12,245.85 = 3,483.81/x
  3. Step 3: Cross multiply
    8,163.31x = 12,245.85 × 3,483.81
  4. Step 4: Simplify right side
    8,163.31x = 42,662,260.61
  5. Step 5: Solve for x
    x = 42,662,260.61/8,163.31
  6. Step 6: Final answer
    x = 5,226.10

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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.