Home / 7,942.53-11,912.96-3,263.03

Finding the Fourth Proportional to 7,942.53, 11,912.96 and 3,263.03

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Solution

The fourth proportional to 7,942.53, 11,912.96 and 3,263.03 is: 4,894.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,942.53 : 11,912.96 = 3,263.03 : x
  2. Step 2: Convert to fraction form
    7,942.53/11,912.96 = 3,263.03/x
  3. Step 3: Cross multiply
    7,942.53x = 11,912.96 × 3,263.03
  4. Step 4: Simplify right side
    7,942.53x = 38,872,345.87
  5. Step 5: Solve for x
    x = 38,872,345.87/7,942.53
  6. Step 6: Final answer
    x = 4,894.20

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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.