Home / 8,177.52-11,273.64-5,520.72

Finding the Fourth Proportional to 8,177.52, 11,273.64 and 5,520.72

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Solution

The fourth proportional to 8,177.52, 11,273.64 and 5,520.72 is: 7,610.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,177.52 : 11,273.64 = 5,520.72 : x
  2. Step 2: Convert to fraction form
    8,177.52/11,273.64 = 5,520.72/x
  3. Step 3: Cross multiply
    8,177.52x = 11,273.64 × 5,520.72
  4. Step 4: Simplify right side
    8,177.52x = 62,238,609.82
  5. Step 5: Solve for x
    x = 62,238,609.82/8,177.52
  6. Step 6: Final answer
    x = 7,610.94

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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.