Home / 12,461.52-18,689.08-3,694.44

Finding the Fourth Proportional to 12,461.52, 18,689.08 and 3,694.44

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Solution

The fourth proportional to 12,461.52, 18,689.08 and 3,694.44 is: 5,540.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,461.52 : 18,689.08 = 3,694.44 : x
  2. Step 2: Convert to fraction form
    12,461.52/18,689.08 = 3,694.44/x
  3. Step 3: Cross multiply
    12,461.52x = 18,689.08 × 3,694.44
  4. Step 4: Simplify right side
    12,461.52x = 69,045,684.72
  5. Step 5: Solve for x
    x = 69,045,684.72/12,461.52
  6. Step 6: Final answer
    x = 5,540.71

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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.