Home / 7,163.30-10,734.54-5,087.36

Finding the Fourth Proportional to 7,163.30, 10,734.54 and 5,087.36

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Solution

The fourth proportional to 7,163.30, 10,734.54 and 5,087.36 is: 7,623.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,163.30 : 10,734.54 = 5,087.36 : x
  2. Step 2: Convert to fraction form
    7,163.30/10,734.54 = 5,087.36/x
  3. Step 3: Cross multiply
    7,163.30x = 10,734.54 × 5,087.36
  4. Step 4: Simplify right side
    7,163.30x = 54,610,469.41
  5. Step 5: Solve for x
    x = 54,610,469.41/7,163.30
  6. Step 6: Final answer
    x = 7,623.65

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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.