Home / 7,163.22-10,742.98-2,230.32

Finding the Fourth Proportional to 7,163.22, 10,742.98 and 2,230.32

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Solution

The fourth proportional to 7,163.22, 10,742.98 and 2,230.32 is: 3,344.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,163.22 : 10,742.98 = 2,230.32 : x
  2. Step 2: Convert to fraction form
    7,163.22/10,742.98 = 2,230.32/x
  3. Step 3: Cross multiply
    7,163.22x = 10,742.98 × 2,230.32
  4. Step 4: Simplify right side
    7,163.22x = 23,960,261.62
  5. Step 5: Solve for x
    x = 23,960,261.62/7,163.22
  6. Step 6: Final answer
    x = 3,344.90

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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.