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Finding the Fourth Proportional to 6,808.02, 9,396.10 and 4,156.98

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Solution

The fourth proportional to 6,808.02, 9,396.10 and 4,156.98 is: 5,737.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,808.02 : 9,396.10 = 4,156.98 : x
  2. Step 2: Convert to fraction form
    6,808.02/9,396.10 = 4,156.98/x
  3. Step 3: Cross multiply
    6,808.02x = 9,396.10 × 4,156.98
  4. Step 4: Simplify right side
    6,808.02x = 39,059,399.78
  5. Step 5: Solve for x
    x = 39,059,399.78/6,808.02
  6. Step 6: Final answer
    x = 5,737.26

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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.