Home / 11,813.43-17,731.13-5,974.23

Finding the Fourth Proportional to 11,813.43, 17,731.13 and 5,974.23

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Solution

The fourth proportional to 11,813.43, 17,731.13 and 5,974.23 is: 8,966.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,813.43 : 17,731.13 = 5,974.23 : x
  2. Step 2: Convert to fraction form
    11,813.43/17,731.13 = 5,974.23/x
  3. Step 3: Cross multiply
    11,813.43x = 17,731.13 × 5,974.23
  4. Step 4: Simplify right side
    11,813.43x = 105,929,818.91
  5. Step 5: Solve for x
    x = 105,929,818.91/11,813.43
  6. Step 6: Final answer
    x = 8,966.90

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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.