Home / 6,837.78-9,436.13-3,693.96

Finding the Fourth Proportional to 6,837.78, 9,436.13 and 3,693.96

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Solution

The fourth proportional to 6,837.78, 9,436.13 and 3,693.96 is: 5,097.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,837.78 : 9,436.13 = 3,693.96 : x
  2. Step 2: Convert to fraction form
    6,837.78/9,436.13 = 3,693.96/x
  3. Step 3: Cross multiply
    6,837.78x = 9,436.13 × 3,693.96
  4. Step 4: Simplify right side
    6,837.78x = 34,856,668.31
  5. Step 5: Solve for x
    x = 34,856,668.31/6,837.78
  6. Step 6: Final answer
    x = 5,097.66

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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.