Home / 7,690.89-11,536.32-2,496.75

Finding the Fourth Proportional to 7,690.89, 11,536.32 and 2,496.75

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Solution

The fourth proportional to 7,690.89, 11,536.32 and 2,496.75 is: 3,745.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,690.89 : 11,536.32 = 2,496.75 : x
  2. Step 2: Convert to fraction form
    7,690.89/11,536.32 = 2,496.75/x
  3. Step 3: Cross multiply
    7,690.89x = 11,536.32 × 2,496.75
  4. Step 4: Simplify right side
    7,690.89x = 28,803,306.96
  5. Step 5: Solve for x
    x = 28,803,306.96/7,690.89
  6. Step 6: Final answer
    x = 3,745.12

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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.