Home / 11,076.53-15,273.90-8,239.37

Finding the Fourth Proportional to 11,076.53, 15,273.90 and 8,239.37

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Solution

The fourth proportional to 11,076.53, 15,273.90 and 8,239.37 is: 11,361.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,076.53 : 15,273.90 = 8,239.37 : x
  2. Step 2: Convert to fraction form
    11,076.53/15,273.90 = 8,239.37/x
  3. Step 3: Cross multiply
    11,076.53x = 15,273.90 × 8,239.37
  4. Step 4: Simplify right side
    11,076.53x = 125,847,237.07
  5. Step 5: Solve for x
    x = 125,847,237.07/11,076.53
  6. Step 6: Final answer
    x = 11,361.62

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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.