Home / 7,342.12-10,131.62-4,198.12

Finding the Fourth Proportional to 7,342.12, 10,131.62 and 4,198.12

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Solution

The fourth proportional to 7,342.12, 10,131.62 and 4,198.12 is: 5,793.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.12 : 10,131.62 = 4,198.12 : x
  2. Step 2: Convert to fraction form
    7,342.12/10,131.62 = 4,198.12/x
  3. Step 3: Cross multiply
    7,342.12x = 10,131.62 × 4,198.12
  4. Step 4: Simplify right side
    7,342.12x = 42,533,756.55
  5. Step 5: Solve for x
    x = 42,533,756.55/7,342.12
  6. Step 6: Final answer
    x = 5,793.12

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