Home / 9,956.37-13,739.79-5,480.12

Finding the Fourth Proportional to 9,956.37, 13,739.79 and 5,480.12

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Solution

The fourth proportional to 9,956.37, 13,739.79 and 5,480.12 is: 7,562.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,956.37 : 13,739.79 = 5,480.12 : x
  2. Step 2: Convert to fraction form
    9,956.37/13,739.79 = 5,480.12/x
  3. Step 3: Cross multiply
    9,956.37x = 13,739.79 × 5,480.12
  4. Step 4: Simplify right side
    9,956.37x = 75,295,629.28
  5. Step 5: Solve for x
    x = 75,295,629.28/9,956.37
  6. Step 6: Final answer
    x = 7,562.56

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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.