Home / 7,629.56-11,448.66-3,525.56

Finding the Fourth Proportional to 7,629.56, 11,448.66 and 3,525.56

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Solution

The fourth proportional to 7,629.56, 11,448.66 and 3,525.56 is: 5,290.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.56 : 11,448.66 = 3,525.56 : x
  2. Step 2: Convert to fraction form
    7,629.56/11,448.66 = 3,525.56/x
  3. Step 3: Cross multiply
    7,629.56x = 11,448.66 × 3,525.56
  4. Step 4: Simplify right side
    7,629.56x = 40,362,979.59
  5. Step 5: Solve for x
    x = 40,362,979.59/7,629.56
  6. Step 6: Final answer
    x = 5,290.34

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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.