Home / 9,942.57-13,706.28-6,949.10

Finding the Fourth Proportional to 9,942.57, 13,706.28 and 6,949.10

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Solution

The fourth proportional to 9,942.57, 13,706.28 and 6,949.10 is: 9,579.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,942.57 : 13,706.28 = 6,949.10 : x
  2. Step 2: Convert to fraction form
    9,942.57/13,706.28 = 6,949.10/x
  3. Step 3: Cross multiply
    9,942.57x = 13,706.28 × 6,949.10
  4. Step 4: Simplify right side
    9,942.57x = 95,246,344.61
  5. Step 5: Solve for x
    x = 95,246,344.61/9,942.57
  6. Step 6: Final answer
    x = 9,579.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.