Home / 8,224.11-11,351.40-5,078.46

Finding the Fourth Proportional to 8,224.11, 11,351.40 and 5,078.46

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Solution

The fourth proportional to 8,224.11, 11,351.40 and 5,078.46 is: 7,009.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,224.11 : 11,351.40 = 5,078.46 : x
  2. Step 2: Convert to fraction form
    8,224.11/11,351.40 = 5,078.46/x
  3. Step 3: Cross multiply
    8,224.11x = 11,351.40 × 5,078.46
  4. Step 4: Simplify right side
    8,224.11x = 57,647,630.84
  5. Step 5: Solve for x
    x = 57,647,630.84/8,224.11
  6. Step 6: Final answer
    x = 7,009.59

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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.