Home / 7,353.26-10,147.20-3,996

Finding the Fourth Proportional to 7,353.26, 10,147.20 and 3,996

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Solution

The fourth proportional to 7,353.26, 10,147.20 and 3,996 is: 5,514.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353.26 : 10,147.20 = 3,996 : x
  2. Step 2: Convert to fraction form
    7,353.26/10,147.20 = 3,996/x
  3. Step 3: Cross multiply
    7,353.26x = 10,147.20 × 3,996
  4. Step 4: Simplify right side
    7,353.26x = 40,548,211.20
  5. Step 5: Solve for x
    x = 40,548,211.20/7,353.26
  6. Step 6: Final answer
    x = 5,514.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.