Home / 9,982.49-14,975.10-3,406.91

Finding the Fourth Proportional to 9,982.49, 14,975.10 and 3,406.91

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Solution

The fourth proportional to 9,982.49, 14,975.10 and 3,406.91 is: 5,110.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,982.49 : 14,975.10 = 3,406.91 : x
  2. Step 2: Convert to fraction form
    9,982.49/14,975.10 = 3,406.91/x
  3. Step 3: Cross multiply
    9,982.49x = 14,975.10 × 3,406.91
  4. Step 4: Simplify right side
    9,982.49x = 51,018,817.94
  5. Step 5: Solve for x
    x = 51,018,817.94/9,982.49
  6. Step 6: Final answer
    x = 5,110.83

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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.