Home / 6,942.11-9,579.87-3,798.23

Finding the Fourth Proportional to 6,942.11, 9,579.87 and 3,798.23

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Solution

The fourth proportional to 6,942.11, 9,579.87 and 3,798.23 is: 5,241.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,942.11 : 9,579.87 = 3,798.23 : x
  2. Step 2: Convert to fraction form
    6,942.11/9,579.87 = 3,798.23/x
  3. Step 3: Cross multiply
    6,942.11x = 9,579.87 × 3,798.23
  4. Step 4: Simplify right side
    6,942.11x = 36,386,501.73
  5. Step 5: Solve for x
    x = 36,386,501.73/6,942.11
  6. Step 6: Final answer
    x = 5,241.42

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1.5x scale

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.