Home / 11,480.36-17,119.51-10,571.54

Finding the Fourth Proportional to 11,480.36, 17,119.51 and 10,571.54

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Solution

The fourth proportional to 11,480.36, 17,119.51 and 10,571.54 is: 15,764.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,480.36 : 17,119.51 = 10,571.54 : x
  2. Step 2: Convert to fraction form
    11,480.36/17,119.51 = 10,571.54/x
  3. Step 3: Cross multiply
    11,480.36x = 17,119.51 × 10,571.54
  4. Step 4: Simplify right side
    11,480.36x = 180,979,584.75
  5. Step 5: Solve for x
    x = 180,979,584.75/11,480.36
  6. Step 6: Final answer
    x = 15,764.28

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1.5x scale

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.