Home / 8,027.90-11,080.73-4,671.36

Finding the Fourth Proportional to 8,027.90, 11,080.73 and 4,671.36

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Solution

The fourth proportional to 8,027.90, 11,080.73 and 4,671.36 is: 6,447.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,027.90 : 11,080.73 = 4,671.36 : x
  2. Step 2: Convert to fraction form
    8,027.90/11,080.73 = 4,671.36/x
  3. Step 3: Cross multiply
    8,027.90x = 11,080.73 × 4,671.36
  4. Step 4: Simplify right side
    8,027.90x = 51,762,078.89
  5. Step 5: Solve for x
    x = 51,762,078.89/8,027.90
  6. Step 6: Final answer
    x = 6,447.78

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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.