Home / 8,080.34-12,121.41-3,696.62

Finding the Fourth Proportional to 8,080.34, 12,121.41 and 3,696.62

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Solution

The fourth proportional to 8,080.34, 12,121.41 and 3,696.62 is: 5,545.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.34 : 12,121.41 = 3,696.62 : x
  2. Step 2: Convert to fraction form
    8,080.34/12,121.41 = 3,696.62/x
  3. Step 3: Cross multiply
    8,080.34x = 12,121.41 × 3,696.62
  4. Step 4: Simplify right side
    8,080.34x = 44,808,186.03
  5. Step 5: Solve for x
    x = 44,808,186.03/8,080.34
  6. Step 6: Final answer
    x = 5,545.34

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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.