Home / 11,974.16-17,939.60-9,332.48

Finding the Fourth Proportional to 11,974.16, 17,939.60 and 9,332.48

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Solution

The fourth proportional to 11,974.16, 17,939.60 and 9,332.48 is: 13,981.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,974.16 : 17,939.60 = 9,332.48 : x
  2. Step 2: Convert to fraction form
    11,974.16/17,939.60 = 9,332.48/x
  3. Step 3: Cross multiply
    11,974.16x = 17,939.60 × 9,332.48
  4. Step 4: Simplify right side
    11,974.16x = 167,420,958.21
  5. Step 5: Solve for x
    x = 167,420,958.21/11,974.16
  6. Step 6: Final answer
    x = 13,981.85

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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.