Home / 10,949.36-16,395.68-7,975.58

Finding the Fourth Proportional to 10,949.36, 16,395.68 and 7,975.58

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Solution

The fourth proportional to 10,949.36, 16,395.68 and 7,975.58 is: 11,942.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,949.36 : 16,395.68 = 7,975.58 : x
  2. Step 2: Convert to fraction form
    10,949.36/16,395.68 = 7,975.58/x
  3. Step 3: Cross multiply
    10,949.36x = 16,395.68 × 7,975.58
  4. Step 4: Simplify right side
    10,949.36x = 130,764,995.45
  5. Step 5: Solve for x
    x = 130,764,995.45/10,949.36
  6. Step 6: Final answer
    x = 11,942.71

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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.