Home / 7,622.57-11,429.64-2,356.09

Finding the Fourth Proportional to 7,622.57, 11,429.64 and 2,356.09

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Solution

The fourth proportional to 7,622.57, 11,429.64 and 2,356.09 is: 3,532.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,622.57 : 11,429.64 = 2,356.09 : x
  2. Step 2: Convert to fraction form
    7,622.57/11,429.64 = 2,356.09/x
  3. Step 3: Cross multiply
    7,622.57x = 11,429.64 × 2,356.09
  4. Step 4: Simplify right side
    7,622.57x = 26,929,231.93
  5. Step 5: Solve for x
    x = 26,929,231.93/7,622.57
  6. Step 6: Final answer
    x = 3,532.83

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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.