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Finding the Fourth Proportional to 6,246.80, 9,370.10 and 1,864.28

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Solution

The fourth proportional to 6,246.80, 9,370.10 and 1,864.28 is: 2,796.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,246.80 : 9,370.10 = 1,864.28 : x
  2. Step 2: Convert to fraction form
    6,246.80/9,370.10 = 1,864.28/x
  3. Step 3: Cross multiply
    6,246.80x = 9,370.10 × 1,864.28
  4. Step 4: Simplify right side
    6,246.80x = 17,468,490.03
  5. Step 5: Solve for x
    x = 17,468,490.03/6,246.80
  6. Step 6: Final answer
    x = 2,796.39

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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.