Home / 11,622.57-17,433.69-2,857.56

Finding the Fourth Proportional to 11,622.57, 17,433.69 and 2,857.56

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Solution

The fourth proportional to 11,622.57, 17,433.69 and 2,857.56 is: 4,286.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,622.57 : 17,433.69 = 2,857.56 : x
  2. Step 2: Convert to fraction form
    11,622.57/17,433.69 = 2,857.56/x
  3. Step 3: Cross multiply
    11,622.57x = 17,433.69 × 2,857.56
  4. Step 4: Simplify right side
    11,622.57x = 49,817,815.20
  5. Step 5: Solve for x
    x = 49,817,815.20/11,622.57
  6. Step 6: Final answer
    x = 4,286.30

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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.