Home / 11,361.29-15,674.99-8,963.69

Finding the Fourth Proportional to 11,361.29, 15,674.99 and 8,963.69

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Solution

The fourth proportional to 11,361.29, 15,674.99 and 8,963.69 is: 12,367.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,361.29 : 15,674.99 = 8,963.69 : x
  2. Step 2: Convert to fraction form
    11,361.29/15,674.99 = 8,963.69/x
  3. Step 3: Cross multiply
    11,361.29x = 15,674.99 × 8,963.69
  4. Step 4: Simplify right side
    11,361.29x = 140,505,627.92
  5. Step 5: Solve for x
    x = 140,505,627.92/11,361.29
  6. Step 6: Final answer
    x = 12,367.05

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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.