Home / 7,400.76-11,083.68-3,882.36

Finding the Fourth Proportional to 7,400.76, 11,083.68 and 3,882.36

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Solution

The fourth proportional to 7,400.76, 11,083.68 and 3,882.36 is: 5,814.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.76 : 11,083.68 = 3,882.36 : x
  2. Step 2: Convert to fraction form
    7,400.76/11,083.68 = 3,882.36/x
  3. Step 3: Cross multiply
    7,400.76x = 11,083.68 × 3,882.36
  4. Step 4: Simplify right side
    7,400.76x = 43,030,835.88
  5. Step 5: Solve for x
    x = 43,030,835.88/7,400.76
  6. Step 6: Final answer
    x = 5,814.38

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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.