Home / 7,850.92-11,782.86-3,237.16

Finding the Fourth Proportional to 7,850.92, 11,782.86 and 3,237.16

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Solution

The fourth proportional to 7,850.92, 11,782.86 and 3,237.16 is: 4,858.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,850.92 : 11,782.86 = 3,237.16 : x
  2. Step 2: Convert to fraction form
    7,850.92/11,782.86 = 3,237.16/x
  3. Step 3: Cross multiply
    7,850.92x = 11,782.86 × 3,237.16
  4. Step 4: Simplify right side
    7,850.92x = 38,143,003.08
  5. Step 5: Solve for x
    x = 38,143,003.08/7,850.92
  6. Step 6: Final answer
    x = 4,858.41

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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.