Home / 7,935.09-11,900.67-3,256.43

Finding the Fourth Proportional to 7,935.09, 11,900.67 and 3,256.43

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Solution

The fourth proportional to 7,935.09, 11,900.67 and 3,256.43 is: 4,883.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,935.09 : 11,900.67 = 3,256.43 : x
  2. Step 2: Convert to fraction form
    7,935.09/11,900.67 = 3,256.43/x
  3. Step 3: Cross multiply
    7,935.09x = 11,900.67 × 3,256.43
  4. Step 4: Simplify right side
    7,935.09x = 38,753,639.30
  5. Step 5: Solve for x
    x = 38,753,639.30/7,935.09
  6. Step 6: Final answer
    x = 4,883.83

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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.