Home / 9,988.24-14,982.35-3,414.48

Finding the Fourth Proportional to 9,988.24, 14,982.35 and 3,414.48

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Solution

The fourth proportional to 9,988.24, 14,982.35 and 3,414.48 is: 5,121.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,988.24 : 14,982.35 = 3,414.48 : x
  2. Step 2: Convert to fraction form
    9,988.24/14,982.35 = 3,414.48/x
  3. Step 3: Cross multiply
    9,988.24x = 14,982.35 × 3,414.48
  4. Step 4: Simplify right side
    9,988.24x = 51,156,934.43
  5. Step 5: Solve for x
    x = 51,156,934.43/9,988.24
  6. Step 6: Final answer
    x = 5,121.72

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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.