Home / 7,400.14-10,194.82-5,157.94

Finding the Fourth Proportional to 7,400.14, 10,194.82 and 5,157.94

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Solution

The fourth proportional to 7,400.14, 10,194.82 and 5,157.94 is: 7,105.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.14 : 10,194.82 = 5,157.94 : x
  2. Step 2: Convert to fraction form
    7,400.14/10,194.82 = 5,157.94/x
  3. Step 3: Cross multiply
    7,400.14x = 10,194.82 × 5,157.94
  4. Step 4: Simplify right side
    7,400.14x = 52,584,269.87
  5. Step 5: Solve for x
    x = 52,584,269.87/7,400.14
  6. Step 6: Final answer
    x = 7,105.85

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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.