Home / 7,927.77-11,892.21-3,183.93

Finding the Fourth Proportional to 7,927.77, 11,892.21 and 3,183.93

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Solution

The fourth proportional to 7,927.77, 11,892.21 and 3,183.93 is: 4,776.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.77 : 11,892.21 = 3,183.93 : x
  2. Step 2: Convert to fraction form
    7,927.77/11,892.21 = 3,183.93/x
  3. Step 3: Cross multiply
    7,927.77x = 11,892.21 × 3,183.93
  4. Step 4: Simplify right side
    7,927.77x = 37,863,970.16
  5. Step 5: Solve for x
    x = 37,863,970.16/7,927.77
  6. Step 6: Final answer
    x = 4,776.12

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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.