Home / 6,286.15-9,431.42-3,943.38

Finding the Fourth Proportional to 6,286.15, 9,431.42 and 3,943.38

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Solution

The fourth proportional to 6,286.15, 9,431.42 and 3,943.38 is: 5,916.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,286.15 : 9,431.42 = 3,943.38 : x
  2. Step 2: Convert to fraction form
    6,286.15/9,431.42 = 3,943.38/x
  3. Step 3: Cross multiply
    6,286.15x = 9,431.42 × 3,943.38
  4. Step 4: Simplify right side
    6,286.15x = 37,191,673.00
  5. Step 5: Solve for x
    x = 37,191,673.00/6,286.15
  6. Step 6: Final answer
    x = 5,916.45

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1.5x scale

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.