Home / 7,974.52-11,007.32-5,455.68

Finding the Fourth Proportional to 7,974.52, 11,007.32 and 5,455.68

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Solution

The fourth proportional to 7,974.52, 11,007.32 and 5,455.68 is: 7,530.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.52 : 11,007.32 = 5,455.68 : x
  2. Step 2: Convert to fraction form
    7,974.52/11,007.32 = 5,455.68/x
  3. Step 3: Cross multiply
    7,974.52x = 11,007.32 × 5,455.68
  4. Step 4: Simplify right side
    7,974.52x = 60,052,415.58
  5. Step 5: Solve for x
    x = 60,052,415.58/7,974.52
  6. Step 6: Final answer
    x = 7,530.54

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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.