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Finding the Fourth Proportional to 6,866.36, 10,299.52 and 5,939.16

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Solution

The fourth proportional to 6,866.36, 10,299.52 and 5,939.16 is: 8,908.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,866.36 : 10,299.52 = 5,939.16 : x
  2. Step 2: Convert to fraction form
    6,866.36/10,299.52 = 5,939.16/x
  3. Step 3: Cross multiply
    6,866.36x = 10,299.52 × 5,939.16
  4. Step 4: Simplify right side
    6,866.36x = 61,170,497.20
  5. Step 5: Solve for x
    x = 61,170,497.20/6,866.36
  6. Step 6: Final answer
    x = 8,908.72

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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.