Home / 7,650.45-11,476.07-2,103.66

Finding the Fourth Proportional to 7,650.45, 11,476.07 and 2,103.66

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Solution

The fourth proportional to 7,650.45, 11,476.07 and 2,103.66 is: 3,155.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,650.45 : 11,476.07 = 2,103.66 : x
  2. Step 2: Convert to fraction form
    7,650.45/11,476.07 = 2,103.66/x
  3. Step 3: Cross multiply
    7,650.45x = 11,476.07 × 2,103.66
  4. Step 4: Simplify right side
    7,650.45x = 24,141,738.90
  5. Step 5: Solve for x
    x = 24,141,738.90/7,650.45
  6. Step 6: Final answer
    x = 3,155.60

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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.