Home / 7,578.14-11,369.45-3,882.96

Finding the Fourth Proportional to 7,578.14, 11,369.45 and 3,882.96

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Solution

The fourth proportional to 7,578.14, 11,369.45 and 3,882.96 is: 5,825.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,578.14 : 11,369.45 = 3,882.96 : x
  2. Step 2: Convert to fraction form
    7,578.14/11,369.45 = 3,882.96/x
  3. Step 3: Cross multiply
    7,578.14x = 11,369.45 × 3,882.96
  4. Step 4: Simplify right side
    7,578.14x = 44,147,129.28
  5. Step 5: Solve for x
    x = 44,147,129.28/7,578.14
  6. Step 6: Final answer
    x = 5,825.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.