Home / 7,677.17-11,517.78-3,732.36

Finding the Fourth Proportional to 7,677.17, 11,517.78 and 3,732.36

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Solution

The fourth proportional to 7,677.17, 11,517.78 and 3,732.36 is: 5,599.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,677.17 : 11,517.78 = 3,732.36 : x
  2. Step 2: Convert to fraction form
    7,677.17/11,517.78 = 3,732.36/x
  3. Step 3: Cross multiply
    7,677.17x = 11,517.78 × 3,732.36
  4. Step 4: Simplify right side
    7,677.17x = 42,988,501.36
  5. Step 5: Solve for x
    x = 42,988,501.36/7,677.17
  6. Step 6: Final answer
    x = 5,599.53

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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.