Home / 12,073.86-18,110.79-3,308.70

Finding the Fourth Proportional to 12,073.86, 18,110.79 and 3,308.70

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Solution

The fourth proportional to 12,073.86, 18,110.79 and 3,308.70 is: 4,963.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,073.86 : 18,110.79 = 3,308.70 : x
  2. Step 2: Convert to fraction form
    12,073.86/18,110.79 = 3,308.70/x
  3. Step 3: Cross multiply
    12,073.86x = 18,110.79 × 3,308.70
  4. Step 4: Simplify right side
    12,073.86x = 59,923,170.87
  5. Step 5: Solve for x
    x = 59,923,170.87/12,073.86
  6. Step 6: Final answer
    x = 4,963.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.