Home / 7,933.18-11,899.91-2,089.57

Finding the Fourth Proportional to 7,933.18, 11,899.91 and 2,089.57

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Solution

The fourth proportional to 7,933.18, 11,899.91 and 2,089.57 is: 3,134.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,933.18 : 11,899.91 = 2,089.57 : x
  2. Step 2: Convert to fraction form
    7,933.18/11,899.91 = 2,089.57/x
  3. Step 3: Cross multiply
    7,933.18x = 11,899.91 × 2,089.57
  4. Step 4: Simplify right side
    7,933.18x = 24,865,694.94
  5. Step 5: Solve for x
    x = 24,865,694.94/7,933.18
  6. Step 6: Final answer
    x = 3,134.39

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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.