Home / 9,553.58-13,188.42-6,372.20

Finding the Fourth Proportional to 9,553.58, 13,188.42 and 6,372.20

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Solution

The fourth proportional to 9,553.58, 13,188.42 and 6,372.20 is: 8,796.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,553.58 : 13,188.42 = 6,372.20 : x
  2. Step 2: Convert to fraction form
    9,553.58/13,188.42 = 6,372.20/x
  3. Step 3: Cross multiply
    9,553.58x = 13,188.42 × 6,372.20
  4. Step 4: Simplify right side
    9,553.58x = 84,039,249.92
  5. Step 5: Solve for x
    x = 84,039,249.92/9,553.58
  6. Step 6: Final answer
    x = 8,796.62

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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.