Home / 8,133.22-12,197.91-3,450.64

Finding the Fourth Proportional to 8,133.22, 12,197.91 and 3,450.64

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Solution

The fourth proportional to 8,133.22, 12,197.91 and 3,450.64 is: 5,175.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,133.22 : 12,197.91 = 3,450.64 : x
  2. Step 2: Convert to fraction form
    8,133.22/12,197.91 = 3,450.64/x
  3. Step 3: Cross multiply
    8,133.22x = 12,197.91 × 3,450.64
  4. Step 4: Simplify right side
    8,133.22x = 42,090,596.16
  5. Step 5: Solve for x
    x = 42,090,596.16/8,133.22
  6. Step 6: Final answer
    x = 5,175.15

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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.