Home / 8,230.22-12,346.87-3,300.25

Finding the Fourth Proportional to 8,230.22, 12,346.87 and 3,300.25

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Solution

The fourth proportional to 8,230.22, 12,346.87 and 3,300.25 is: 4,950.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,230.22 : 12,346.87 = 3,300.25 : x
  2. Step 2: Convert to fraction form
    8,230.22/12,346.87 = 3,300.25/x
  3. Step 3: Cross multiply
    8,230.22x = 12,346.87 × 3,300.25
  4. Step 4: Simplify right side
    8,230.22x = 40,747,730.98
  5. Step 5: Solve for x
    x = 40,747,730.98/8,230.22
  6. Step 6: Final answer
    x = 4,950.99

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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.