Home / 8,936.11-12,332.96-5,399.11

Finding the Fourth Proportional to 8,936.11, 12,332.96 and 5,399.11

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Solution

The fourth proportional to 8,936.11, 12,332.96 and 5,399.11 is: 7,451.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.11 : 12,332.96 = 5,399.11 : x
  2. Step 2: Convert to fraction form
    8,936.11/12,332.96 = 5,399.11/x
  3. Step 3: Cross multiply
    8,936.11x = 12,332.96 × 5,399.11
  4. Step 4: Simplify right side
    8,936.11x = 66,587,007.67
  5. Step 5: Solve for x
    x = 66,587,007.67/8,936.11
  6. Step 6: Final answer
    x = 7,451.45

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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.