Home / 8,922.16-13,383.39-3,378.11

Finding the Fourth Proportional to 8,922.16, 13,383.39 and 3,378.11

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Solution

The fourth proportional to 8,922.16, 13,383.39 and 3,378.11 is: 5,067.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.16 : 13,383.39 = 3,378.11 : x
  2. Step 2: Convert to fraction form
    8,922.16/13,383.39 = 3,378.11/x
  3. Step 3: Cross multiply
    8,922.16x = 13,383.39 × 3,378.11
  4. Step 4: Simplify right side
    8,922.16x = 45,210,563.59
  5. Step 5: Solve for x
    x = 45,210,563.59/8,922.16
  6. Step 6: Final answer
    x = 5,067.22

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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.