Home / 7,936.98-11,901.57-3,255.72

Finding the Fourth Proportional to 7,936.98, 11,901.57 and 3,255.72

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Solution

The fourth proportional to 7,936.98, 11,901.57 and 3,255.72 is: 4,881.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936.98 : 11,901.57 = 3,255.72 : x
  2. Step 2: Convert to fraction form
    7,936.98/11,901.57 = 3,255.72/x
  3. Step 3: Cross multiply
    7,936.98x = 11,901.57 × 3,255.72
  4. Step 4: Simplify right side
    7,936.98x = 38,748,179.48
  5. Step 5: Solve for x
    x = 38,748,179.48/7,936.98
  6. Step 6: Final answer
    x = 4,881.98

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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.