Home / 8,305.93-12,450.12-3,621.84

Finding the Fourth Proportional to 8,305.93, 12,450.12 and 3,621.84

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Solution

The fourth proportional to 8,305.93, 12,450.12 and 3,621.84 is: 5,428.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305.93 : 12,450.12 = 3,621.84 : x
  2. Step 2: Convert to fraction form
    8,305.93/12,450.12 = 3,621.84/x
  3. Step 3: Cross multiply
    8,305.93x = 12,450.12 × 3,621.84
  4. Step 4: Simplify right side
    8,305.93x = 45,092,342.62
  5. Step 5: Solve for x
    x = 45,092,342.62/8,305.93
  6. Step 6: Final answer
    x = 5,428.93

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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.