Home / 8,857.75-12,224.91-5,713.33

Finding the Fourth Proportional to 8,857.75, 12,224.91 and 5,713.33

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Solution

The fourth proportional to 8,857.75, 12,224.91 and 5,713.33 is: 7,885.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.75 : 12,224.91 = 5,713.33 : x
  2. Step 2: Convert to fraction form
    8,857.75/12,224.91 = 5,713.33/x
  3. Step 3: Cross multiply
    8,857.75x = 12,224.91 × 5,713.33
  4. Step 4: Simplify right side
    8,857.75x = 69,844,945.05
  5. Step 5: Solve for x
    x = 69,844,945.05/8,857.75
  6. Step 6: Final answer
    x = 7,885.18

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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.