Home / 11,348.80-17,013.63-5,422.33

Finding the Fourth Proportional to 11,348.80, 17,013.63 and 5,422.33

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Solution

The fourth proportional to 11,348.80, 17,013.63 and 5,422.33 is: 8,128.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,348.80 : 17,013.63 = 5,422.33 : x
  2. Step 2: Convert to fraction form
    11,348.80/17,013.63 = 5,422.33/x
  3. Step 3: Cross multiply
    11,348.80x = 17,013.63 × 5,422.33
  4. Step 4: Simplify right side
    11,348.80x = 92,253,516.36
  5. Step 5: Solve for x
    x = 92,253,516.36/11,348.80
  6. Step 6: Final answer
    x = 8,128.92

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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.