Home / 7,675.97-11,516.39-2,745.50

Finding the Fourth Proportional to 7,675.97, 11,516.39 and 2,745.50

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Solution

The fourth proportional to 7,675.97, 11,516.39 and 2,745.50 is: 4,119.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,675.97 : 11,516.39 = 2,745.50 : x
  2. Step 2: Convert to fraction form
    7,675.97/11,516.39 = 2,745.50/x
  3. Step 3: Cross multiply
    7,675.97x = 11,516.39 × 2,745.50
  4. Step 4: Simplify right side
    7,675.97x = 31,618,248.75
  5. Step 5: Solve for x
    x = 31,618,248.75/7,675.97
  6. Step 6: Final answer
    x = 4,119.12

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1.5x scale

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.