Home / 7,042.99-10,566.11-2,112.73

Finding the Fourth Proportional to 7,042.99, 10,566.11 and 2,112.73

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Solution

The fourth proportional to 7,042.99, 10,566.11 and 2,112.73 is: 3,169.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042.99 : 10,566.11 = 2,112.73 : x
  2. Step 2: Convert to fraction form
    7,042.99/10,566.11 = 2,112.73/x
  3. Step 3: Cross multiply
    7,042.99x = 10,566.11 × 2,112.73
  4. Step 4: Simplify right side
    7,042.99x = 22,323,380.34
  5. Step 5: Solve for x
    x = 22,323,380.34/7,042.99
  6. Step 6: Final answer
    x = 3,169.59

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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.