Home / 8,791.97-12,133.07-5,434.70

Finding the Fourth Proportional to 8,791.97, 12,133.07 and 5,434.70

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Solution

The fourth proportional to 8,791.97, 12,133.07 and 5,434.70 is: 7,499.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791.97 : 12,133.07 = 5,434.70 : x
  2. Step 2: Convert to fraction form
    8,791.97/12,133.07 = 5,434.70/x
  3. Step 3: Cross multiply
    8,791.97x = 12,133.07 × 5,434.70
  4. Step 4: Simplify right side
    8,791.97x = 65,939,512.79
  5. Step 5: Solve for x
    x = 65,939,512.79/8,791.97
  6. Step 6: Final answer
    x = 7,499.97

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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.