Home / 8,108.50-11,188.52-4,571.64

Finding the Fourth Proportional to 8,108.50, 11,188.52 and 4,571.64

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Solution

The fourth proportional to 8,108.50, 11,188.52 and 4,571.64 is: 6,308.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108.50 : 11,188.52 = 4,571.64 : x
  2. Step 2: Convert to fraction form
    8,108.50/11,188.52 = 4,571.64/x
  3. Step 3: Cross multiply
    8,108.50x = 11,188.52 × 4,571.64
  4. Step 4: Simplify right side
    8,108.50x = 51,149,885.57
  5. Step 5: Solve for x
    x = 51,149,885.57/8,108.50
  6. Step 6: Final answer
    x = 6,308.18

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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.