Home / 8,571.06-11,829.33-5,427.54

Finding the Fourth Proportional to 8,571.06, 11,829.33 and 5,427.54

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Solution

The fourth proportional to 8,571.06, 11,829.33 and 5,427.54 is: 7,490.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,571.06 : 11,829.33 = 5,427.54 : x
  2. Step 2: Convert to fraction form
    8,571.06/11,829.33 = 5,427.54/x
  3. Step 3: Cross multiply
    8,571.06x = 11,829.33 × 5,427.54
  4. Step 4: Simplify right side
    8,571.06x = 64,204,161.75
  5. Step 5: Solve for x
    x = 64,204,161.75/8,571.06
  6. Step 6: Final answer
    x = 7,490.81

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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.