Home / 11,361.30-17,039.52-5,434.80

Finding the Fourth Proportional to 11,361.30, 17,039.52 and 5,434.80

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Solution

The fourth proportional to 11,361.30, 17,039.52 and 5,434.80 is: 8,151.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,361.30 : 17,039.52 = 5,434.80 : x
  2. Step 2: Convert to fraction form
    11,361.30/17,039.52 = 5,434.80/x
  3. Step 3: Cross multiply
    11,361.30x = 17,039.52 × 5,434.80
  4. Step 4: Simplify right side
    11,361.30x = 92,606,383.30
  5. Step 5: Solve for x
    x = 92,606,383.30/11,361.30
  6. Step 6: Final answer
    x = 8,151.04

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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.