Home / 10,622.25-15,932.33-3,226.77

Finding the Fourth Proportional to 10,622.25, 15,932.33 and 3,226.77

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Solution

The fourth proportional to 10,622.25, 15,932.33 and 3,226.77 is: 4,839.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,622.25 : 15,932.33 = 3,226.77 : x
  2. Step 2: Convert to fraction form
    10,622.25/15,932.33 = 3,226.77/x
  3. Step 3: Cross multiply
    10,622.25x = 15,932.33 × 3,226.77
  4. Step 4: Simplify right side
    10,622.25x = 51,409,964.47
  5. Step 5: Solve for x
    x = 51,409,964.47/10,622.25
  6. Step 6: Final answer
    x = 4,839.84

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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.