Home / 7,832.22-11,750.49-2,638.14

Finding the Fourth Proportional to 7,832.22, 11,750.49 and 2,638.14

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Solution

The fourth proportional to 7,832.22, 11,750.49 and 2,638.14 is: 3,957.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,832.22 : 11,750.49 = 2,638.14 : x
  2. Step 2: Convert to fraction form
    7,832.22/11,750.49 = 2,638.14/x
  3. Step 3: Cross multiply
    7,832.22x = 11,750.49 × 2,638.14
  4. Step 4: Simplify right side
    7,832.22x = 30,999,437.69
  5. Step 5: Solve for x
    x = 30,999,437.69/7,832.22
  6. Step 6: Final answer
    x = 3,957.94

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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.