Home / 6,616.57-9,926.38-1,936.47

Finding the Fourth Proportional to 6,616.57, 9,926.38 and 1,936.47

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Solution

The fourth proportional to 6,616.57, 9,926.38 and 1,936.47 is: 2,905.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,616.57 : 9,926.38 = 1,936.47 : x
  2. Step 2: Convert to fraction form
    6,616.57/9,926.38 = 1,936.47/x
  3. Step 3: Cross multiply
    6,616.57x = 9,926.38 × 1,936.47
  4. Step 4: Simplify right side
    6,616.57x = 19,222,137.08
  5. Step 5: Solve for x
    x = 19,222,137.08/6,616.57
  6. Step 6: Final answer
    x = 2,905.15

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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.