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Finding the Fourth Proportional to 6,995.28, 9,653.16 and 3,850.92

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Solution

The fourth proportional to 6,995.28, 9,653.16 and 3,850.92 is: 5,314.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,995.28 : 9,653.16 = 3,850.92 : x
  2. Step 2: Convert to fraction form
    6,995.28/9,653.16 = 3,850.92/x
  3. Step 3: Cross multiply
    6,995.28x = 9,653.16 × 3,850.92
  4. Step 4: Simplify right side
    6,995.28x = 37,173,546.91
  5. Step 5: Solve for x
    x = 37,173,546.91/6,995.28
  6. Step 6: Final answer
    x = 5,314.09

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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.