Home / 7,929.15-11,894.54-2,733.81

Finding the Fourth Proportional to 7,929.15, 11,894.54 and 2,733.81

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Solution

The fourth proportional to 7,929.15, 11,894.54 and 2,733.81 is: 4,100.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.15 : 11,894.54 = 2,733.81 : x
  2. Step 2: Convert to fraction form
    7,929.15/11,894.54 = 2,733.81/x
  3. Step 3: Cross multiply
    7,929.15x = 11,894.54 × 2,733.81
  4. Step 4: Simplify right side
    7,929.15x = 32,517,398.73
  5. Step 5: Solve for x
    x = 32,517,398.73/7,929.15
  6. Step 6: Final answer
    x = 4,100.99

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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.