Home / 8,052.29-11,112.29-5,220.80

Finding the Fourth Proportional to 8,052.29, 11,112.29 and 5,220.80

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Solution

The fourth proportional to 8,052.29, 11,112.29 and 5,220.80 is: 7,204.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,052.29 : 11,112.29 = 5,220.80 : x
  2. Step 2: Convert to fraction form
    8,052.29/11,112.29 = 5,220.80/x
  3. Step 3: Cross multiply
    8,052.29x = 11,112.29 × 5,220.80
  4. Step 4: Simplify right side
    8,052.29x = 58,015,043.63
  5. Step 5: Solve for x
    x = 58,015,043.63/8,052.29
  6. Step 6: Final answer
    x = 7,204.79

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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.