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Finding the Fourth Proportional to 7,108.37, 9,814.11 and 6,361.03

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Solution

The fourth proportional to 7,108.37, 9,814.11 and 6,361.03 is: 8,782.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,108.37 : 9,814.11 = 6,361.03 : x
  2. Step 2: Convert to fraction form
    7,108.37/9,814.11 = 6,361.03/x
  3. Step 3: Cross multiply
    7,108.37x = 9,814.11 × 6,361.03
  4. Step 4: Simplify right side
    7,108.37x = 62,427,872.33
  5. Step 5: Solve for x
    x = 62,427,872.33/7,108.37
  6. Step 6: Final answer
    x = 8,782.30

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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.