Home / 11,150.25-16,712.73-5,220.06

Finding the Fourth Proportional to 11,150.25, 16,712.73 and 5,220.06

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Solution

The fourth proportional to 11,150.25, 16,712.73 and 5,220.06 is: 7,824.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,150.25 : 16,712.73 = 5,220.06 : x
  2. Step 2: Convert to fraction form
    11,150.25/16,712.73 = 5,220.06/x
  3. Step 3: Cross multiply
    11,150.25x = 16,712.73 × 5,220.06
  4. Step 4: Simplify right side
    11,150.25x = 87,241,453.36
  5. Step 5: Solve for x
    x = 87,241,453.36/11,150.25
  6. Step 6: Final answer
    x = 7,824.17

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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.