Home / 8,250.53-11,382.73-5,419.43

Finding the Fourth Proportional to 8,250.53, 11,382.73 and 5,419.43

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Solution

The fourth proportional to 8,250.53, 11,382.73 and 5,419.43 is: 7,476.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,250.53 : 11,382.73 = 5,419.43 : x
  2. Step 2: Convert to fraction form
    8,250.53/11,382.73 = 5,419.43/x
  3. Step 3: Cross multiply
    8,250.53x = 11,382.73 × 5,419.43
  4. Step 4: Simplify right side
    8,250.53x = 61,687,908.44
  5. Step 5: Solve for x
    x = 61,687,908.44/8,250.53
  6. Step 6: Final answer
    x = 7,476.85

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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.