Home / 7,369.78-10,170.75-4,226.98

Finding the Fourth Proportional to 7,369.78, 10,170.75 and 4,226.98

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Solution

The fourth proportional to 7,369.78, 10,170.75 and 4,226.98 is: 5,833.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,369.78 : 10,170.75 = 4,226.98 : x
  2. Step 2: Convert to fraction form
    7,369.78/10,170.75 = 4,226.98/x
  3. Step 3: Cross multiply
    7,369.78x = 10,170.75 × 4,226.98
  4. Step 4: Simplify right side
    7,369.78x = 42,991,556.84
  5. Step 5: Solve for x
    x = 42,991,556.84/7,369.78
  6. Step 6: Final answer
    x = 5,833.49

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Half scale
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Similar ratio
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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.