Home / 11,620.26-17,429.58-3,299.94

Finding the Fourth Proportional to 11,620.26, 17,429.58 and 3,299.94

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Solution

The fourth proportional to 11,620.26, 17,429.58 and 3,299.94 is: 4,949.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,620.26 : 17,429.58 = 3,299.94 : x
  2. Step 2: Convert to fraction form
    11,620.26/17,429.58 = 3,299.94/x
  3. Step 3: Cross multiply
    11,620.26x = 17,429.58 × 3,299.94
  4. Step 4: Simplify right side
    11,620.26x = 57,516,568.23
  5. Step 5: Solve for x
    x = 57,516,568.23/11,620.26
  6. Step 6: Final answer
    x = 4,949.68

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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.