Home / 9,150.06-13,728.36-3,600.33

Finding the Fourth Proportional to 9,150.06, 13,728.36 and 3,600.33

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Solution

The fourth proportional to 9,150.06, 13,728.36 and 3,600.33 is: 5,401.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,150.06 : 13,728.36 = 3,600.33 : x
  2. Step 2: Convert to fraction form
    9,150.06/13,728.36 = 3,600.33/x
  3. Step 3: Cross multiply
    9,150.06x = 13,728.36 × 3,600.33
  4. Step 4: Simplify right side
    9,150.06x = 49,426,626.36
  5. Step 5: Solve for x
    x = 49,426,626.36/9,150.06
  6. Step 6: Final answer
    x = 5,401.78

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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.