Home / 7,992.20-11,029.24-4,455.33

Finding the Fourth Proportional to 7,992.20, 11,029.24 and 4,455.33

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Solution

The fourth proportional to 7,992.20, 11,029.24 and 4,455.33 is: 6,148.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992.20 : 11,029.24 = 4,455.33 : x
  2. Step 2: Convert to fraction form
    7,992.20/11,029.24 = 4,455.33/x
  3. Step 3: Cross multiply
    7,992.20x = 11,029.24 × 4,455.33
  4. Step 4: Simplify right side
    7,992.20x = 49,138,903.85
  5. Step 5: Solve for x
    x = 49,138,903.85/7,992.20
  6. Step 6: Final answer
    x = 6,148.36

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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.