Home / 11,936.61-17,880.53-5,677.69

Finding the Fourth Proportional to 11,936.61, 17,880.53 and 5,677.69

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Solution

The fourth proportional to 11,936.61, 17,880.53 and 5,677.69 is: 8,504.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,936.61 : 17,880.53 = 5,677.69 : x
  2. Step 2: Convert to fraction form
    11,936.61/17,880.53 = 5,677.69/x
  3. Step 3: Cross multiply
    11,936.61x = 17,880.53 × 5,677.69
  4. Step 4: Simplify right side
    11,936.61x = 101,520,075.87
  5. Step 5: Solve for x
    x = 101,520,075.87/11,936.61
  6. Step 6: Final answer
    x = 8,504.93

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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.