Home / 10,949.07-16,431.53-4,377.14

Finding the Fourth Proportional to 10,949.07, 16,431.53 and 4,377.14

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Solution

The fourth proportional to 10,949.07, 16,431.53 and 4,377.14 is: 6,568.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,949.07 : 16,431.53 = 4,377.14 : x
  2. Step 2: Convert to fraction form
    10,949.07/16,431.53 = 4,377.14/x
  3. Step 3: Cross multiply
    10,949.07x = 16,431.53 × 4,377.14
  4. Step 4: Simplify right side
    10,949.07x = 71,923,107.22
  5. Step 5: Solve for x
    x = 71,923,107.22/10,949.07
  6. Step 6: Final answer
    x = 6,568.88

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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.