Home / 8,027.52-11,076.80-5,370.72

Finding the Fourth Proportional to 8,027.52, 11,076.80 and 5,370.72

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Solution

The fourth proportional to 8,027.52, 11,076.80 and 5,370.72 is: 7,410.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,027.52 : 11,076.80 = 5,370.72 : x
  2. Step 2: Convert to fraction form
    8,027.52/11,076.80 = 5,370.72/x
  3. Step 3: Cross multiply
    8,027.52x = 11,076.80 × 5,370.72
  4. Step 4: Simplify right side
    8,027.52x = 59,490,391.30
  5. Step 5: Solve for x
    x = 59,490,391.30/8,027.52
  6. Step 6: Final answer
    x = 7,410.81

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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.