Home / 7,900.92-11,846.90-2,633.11

Finding the Fourth Proportional to 7,900.92, 11,846.90 and 2,633.11

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Solution

The fourth proportional to 7,900.92, 11,846.90 and 2,633.11 is: 3,948.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,900.92 : 11,846.90 = 2,633.11 : x
  2. Step 2: Convert to fraction form
    7,900.92/11,846.90 = 2,633.11/x
  3. Step 3: Cross multiply
    7,900.92x = 11,846.90 × 2,633.11
  4. Step 4: Simplify right side
    7,900.92x = 31,194,167.82
  5. Step 5: Solve for x
    x = 31,194,167.82/7,900.92
  6. Step 6: Final answer
    x = 3,948.17

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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.