Home / 9,229.03-12,735.68-5,453.42

Finding the Fourth Proportional to 9,229.03, 12,735.68 and 5,453.42

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Solution

The fourth proportional to 9,229.03, 12,735.68 and 5,453.42 is: 7,525.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,229.03 : 12,735.68 = 5,453.42 : x
  2. Step 2: Convert to fraction form
    9,229.03/12,735.68 = 5,453.42/x
  3. Step 3: Cross multiply
    9,229.03x = 12,735.68 × 5,453.42
  4. Step 4: Simplify right side
    9,229.03x = 69,452,921.08
  5. Step 5: Solve for x
    x = 69,452,921.08/9,229.03
  6. Step 6: Final answer
    x = 7,525.49

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1.5x scale

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.