Home / 11,960.16-17,934.74-3,638.46

Finding the Fourth Proportional to 11,960.16, 17,934.74 and 3,638.46

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Solution

The fourth proportional to 11,960.16, 17,934.74 and 3,638.46 is: 5,456.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,960.16 : 17,934.74 = 3,638.46 : x
  2. Step 2: Convert to fraction form
    11,960.16/17,934.74 = 3,638.46/x
  3. Step 3: Cross multiply
    11,960.16x = 17,934.74 × 3,638.46
  4. Step 4: Simplify right side
    11,960.16x = 65,254,815.91
  5. Step 5: Solve for x
    x = 65,254,815.91/11,960.16
  6. Step 6: Final answer
    x = 5,456.02

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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.