Home / 7,076.12-9,764.82-4,092.08

Finding the Fourth Proportional to 7,076.12, 9,764.82 and 4,092.08

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Solution

The fourth proportional to 7,076.12, 9,764.82 and 4,092.08 is: 5,646.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,076.12 : 9,764.82 = 4,092.08 : x
  2. Step 2: Convert to fraction form
    7,076.12/9,764.82 = 4,092.08/x
  3. Step 3: Cross multiply
    7,076.12x = 9,764.82 × 4,092.08
  4. Step 4: Simplify right side
    7,076.12x = 39,958,375.80
  5. Step 5: Solve for x
    x = 39,958,375.80/7,076.12
  6. Step 6: Final answer
    x = 5,646.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.