Home / 7,372.91-10,174.81-4,186.13

Finding the Fourth Proportional to 7,372.91, 10,174.81 and 4,186.13

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Solution

The fourth proportional to 7,372.91, 10,174.81 and 4,186.13 is: 5,776.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.91 : 10,174.81 = 4,186.13 : x
  2. Step 2: Convert to fraction form
    7,372.91/10,174.81 = 4,186.13/x
  3. Step 3: Cross multiply
    7,372.91x = 10,174.81 × 4,186.13
  4. Step 4: Simplify right side
    7,372.91x = 42,593,092.36
  5. Step 5: Solve for x
    x = 42,593,092.36/7,372.91
  6. Step 6: Final answer
    x = 5,776.98

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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.