Home / 7,355.11-10,150.03-3,997.92

Finding the Fourth Proportional to 7,355.11, 10,150.03 and 3,997.92

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Solution

The fourth proportional to 7,355.11, 10,150.03 and 3,997.92 is: 5,517.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,355.11 : 10,150.03 = 3,997.92 : x
  2. Step 2: Convert to fraction form
    7,355.11/10,150.03 = 3,997.92/x
  3. Step 3: Cross multiply
    7,355.11x = 10,150.03 × 3,997.92
  4. Step 4: Simplify right side
    7,355.11x = 40,579,007.94
  5. Step 5: Solve for x
    x = 40,579,007.94/7,355.11
  6. Step 6: Final answer
    x = 5,517.12

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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.