Home / 11,100.53-16,571.70-10,711.28

Finding the Fourth Proportional to 11,100.53, 16,571.70 and 10,711.28

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Solution

The fourth proportional to 11,100.53, 16,571.70 and 10,711.28 is: 15,990.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,100.53 : 16,571.70 = 10,711.28 : x
  2. Step 2: Convert to fraction form
    11,100.53/16,571.70 = 10,711.28/x
  3. Step 3: Cross multiply
    11,100.53x = 16,571.70 × 10,711.28
  4. Step 4: Simplify right side
    11,100.53x = 177,504,035.92
  5. Step 5: Solve for x
    x = 177,504,035.92/11,100.53
  6. Step 6: Final answer
    x = 15,990.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.