Home / 11,882.05-16,395.78-9,465.57

Finding the Fourth Proportional to 11,882.05, 16,395.78 and 9,465.57

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Solution

The fourth proportional to 11,882.05, 16,395.78 and 9,465.57 is: 13,061.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,882.05 : 16,395.78 = 9,465.57 : x
  2. Step 2: Convert to fraction form
    11,882.05/16,395.78 = 9,465.57/x
  3. Step 3: Cross multiply
    11,882.05x = 16,395.78 × 9,465.57
  4. Step 4: Simplify right side
    11,882.05x = 155,195,392.68
  5. Step 5: Solve for x
    x = 155,195,392.68/11,882.05
  6. Step 6: Final answer
    x = 13,061.33

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1.5x scale

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.