Home / 11,818.17-17,727.20-3,498.23

Finding the Fourth Proportional to 11,818.17, 17,727.20 and 3,498.23

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Solution

The fourth proportional to 11,818.17, 17,727.20 and 3,498.23 is: 5,247.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818.17 : 17,727.20 = 3,498.23 : x
  2. Step 2: Convert to fraction form
    11,818.17/17,727.20 = 3,498.23/x
  3. Step 3: Cross multiply
    11,818.17x = 17,727.20 × 3,498.23
  4. Step 4: Simplify right side
    11,818.17x = 62,013,862.80
  5. Step 5: Solve for x
    x = 62,013,862.80/11,818.17
  6. Step 6: Final answer
    x = 5,247.33

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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.