Home / 8,163.40-12,236.94-5,567.56

Finding the Fourth Proportional to 8,163.40, 12,236.94 and 5,567.56

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Solution

The fourth proportional to 8,163.40, 12,236.94 and 5,567.56 is: 8,345.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.40 : 12,236.94 = 5,567.56 : x
  2. Step 2: Convert to fraction form
    8,163.40/12,236.94 = 5,567.56/x
  3. Step 3: Cross multiply
    8,163.40x = 12,236.94 × 5,567.56
  4. Step 4: Simplify right side
    8,163.40x = 68,129,897.67
  5. Step 5: Solve for x
    x = 68,129,897.67/8,163.40
  6. Step 6: Final answer
    x = 8,345.77

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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.