Home / 7,822.32-11,736.99-3,929.46

Finding the Fourth Proportional to 7,822.32, 11,736.99 and 3,929.46

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Solution

The fourth proportional to 7,822.32, 11,736.99 and 3,929.46 is: 5,895.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,822.32 : 11,736.99 = 3,929.46 : x
  2. Step 2: Convert to fraction form
    7,822.32/11,736.99 = 3,929.46/x
  3. Step 3: Cross multiply
    7,822.32x = 11,736.99 × 3,929.46
  4. Step 4: Simplify right side
    7,822.32x = 46,120,032.73
  5. Step 5: Solve for x
    x = 46,120,032.73/7,822.32
  6. Step 6: Final answer
    x = 5,895.95

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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.