Home / 7,046.80-10,566.15-2,115.70

Finding the Fourth Proportional to 7,046.80, 10,566.15 and 2,115.70

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Solution

The fourth proportional to 7,046.80, 10,566.15 and 2,115.70 is: 3,172.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,046.80 : 10,566.15 = 2,115.70 : x
  2. Step 2: Convert to fraction form
    7,046.80/10,566.15 = 2,115.70/x
  3. Step 3: Cross multiply
    7,046.80x = 10,566.15 × 2,115.70
  4. Step 4: Simplify right side
    7,046.80x = 22,354,803.56
  5. Step 5: Solve for x
    x = 22,354,803.56/7,046.80
  6. Step 6: Final answer
    x = 3,172.33

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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.