Home / 10,622.62-15,935.75-3,227.81

Finding the Fourth Proportional to 10,622.62, 15,935.75 and 3,227.81

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Solution

The fourth proportional to 10,622.62, 15,935.75 and 3,227.81 is: 4,842.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,622.62 : 15,935.75 = 3,227.81 : x
  2. Step 2: Convert to fraction form
    10,622.62/15,935.75 = 3,227.81/x
  3. Step 3: Cross multiply
    10,622.62x = 15,935.75 × 3,227.81
  4. Step 4: Simplify right side
    10,622.62x = 51,437,557.07
  5. Step 5: Solve for x
    x = 51,437,557.07/10,622.62
  6. Step 6: Final answer
    x = 4,842.27

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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.