Home / 7,962.53-11,940.72-3,800.39

Finding the Fourth Proportional to 7,962.53, 11,940.72 and 3,800.39

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Solution

The fourth proportional to 7,962.53, 11,940.72 and 3,800.39 is: 5,699.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,962.53 : 11,940.72 = 3,800.39 : x
  2. Step 2: Convert to fraction form
    7,962.53/11,940.72 = 3,800.39/x
  3. Step 3: Cross multiply
    7,962.53x = 11,940.72 × 3,800.39
  4. Step 4: Simplify right side
    7,962.53x = 45,379,419.68
  5. Step 5: Solve for x
    x = 45,379,419.68/7,962.53
  6. Step 6: Final answer
    x = 5,699.12

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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.