Home / 7,342.68-11,008.94-3,882.36

Finding the Fourth Proportional to 7,342.68, 11,008.94 and 3,882.36

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Solution

The fourth proportional to 7,342.68, 11,008.94 and 3,882.36 is: 5,820.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.68 : 11,008.94 = 3,882.36 : x
  2. Step 2: Convert to fraction form
    7,342.68/11,008.94 = 3,882.36/x
  3. Step 3: Cross multiply
    7,342.68x = 11,008.94 × 3,882.36
  4. Step 4: Simplify right side
    7,342.68x = 42,740,668.30
  5. Step 5: Solve for x
    x = 42,740,668.30/7,342.68
  6. Step 6: Final answer
    x = 5,820.85

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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.