Home / 7,372.82-10,174.62-4,186.04

Finding the Fourth Proportional to 7,372.82, 10,174.62 and 4,186.04

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Solution

The fourth proportional to 7,372.82, 10,174.62 and 4,186.04 is: 5,776.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.82 : 10,174.62 = 4,186.04 : x
  2. Step 2: Convert to fraction form
    7,372.82/10,174.62 = 4,186.04/x
  3. Step 3: Cross multiply
    7,372.82x = 10,174.62 × 4,186.04
  4. Step 4: Simplify right side
    7,372.82x = 42,591,315.43
  5. Step 5: Solve for x
    x = 42,591,315.43/7,372.82
  6. Step 6: Final answer
    x = 5,776.81

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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.