Home / 8,107.41-11,188.14-4,571.76

Finding the Fourth Proportional to 8,107.41, 11,188.14 and 4,571.76

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Solution

The fourth proportional to 8,107.41, 11,188.14 and 4,571.76 is: 6,308.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,107.41 : 11,188.14 = 4,571.76 : x
  2. Step 2: Convert to fraction form
    8,107.41/11,188.14 = 4,571.76/x
  3. Step 3: Cross multiply
    8,107.41x = 11,188.14 × 4,571.76
  4. Step 4: Simplify right side
    8,107.41x = 51,149,490.93
  5. Step 5: Solve for x
    x = 51,149,490.93/8,107.41
  6. Step 6: Final answer
    x = 6,308.98

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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.