Home / 7,042.91-10,566.12-2,112.65

Finding the Fourth Proportional to 7,042.91, 10,566.12 and 2,112.65

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Solution

The fourth proportional to 7,042.91, 10,566.12 and 2,112.65 is: 3,169.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042.91 : 10,566.12 = 2,112.65 : x
  2. Step 2: Convert to fraction form
    7,042.91/10,566.12 = 2,112.65/x
  3. Step 3: Cross multiply
    7,042.91x = 10,566.12 × 2,112.65
  4. Step 4: Simplify right side
    7,042.91x = 22,322,460.59
  5. Step 5: Solve for x
    x = 22,322,460.59/7,042.91
  6. Step 6: Final answer
    x = 3,169.49

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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.