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Finding the Fourth Proportional to 6,799.62, 9,384.09 and 3,815.43

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Solution

The fourth proportional to 6,799.62, 9,384.09 and 3,815.43 is: 5,265.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,799.62 : 9,384.09 = 3,815.43 : x
  2. Step 2: Convert to fraction form
    6,799.62/9,384.09 = 3,815.43/x
  3. Step 3: Cross multiply
    6,799.62x = 9,384.09 × 3,815.43
  4. Step 4: Simplify right side
    6,799.62x = 35,804,338.51
  5. Step 5: Solve for x
    x = 35,804,338.51/6,799.62
  6. Step 6: Final answer
    x = 5,265.64

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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.