Home / 7,549.54-11,319.99-3,163.30

Finding the Fourth Proportional to 7,549.54, 11,319.99 and 3,163.30

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Solution

The fourth proportional to 7,549.54, 11,319.99 and 3,163.30 is: 4,743.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,549.54 : 11,319.99 = 3,163.30 : x
  2. Step 2: Convert to fraction form
    7,549.54/11,319.99 = 3,163.30/x
  3. Step 3: Cross multiply
    7,549.54x = 11,319.99 × 3,163.30
  4. Step 4: Simplify right side
    7,549.54x = 35,808,524.37
  5. Step 5: Solve for x
    x = 35,808,524.37/7,549.54
  6. Step 6: Final answer
    x = 4,743.14

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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.