Home / 11,395.28-15,725.24-6,614.97

Finding the Fourth Proportional to 11,395.28, 15,725.24 and 6,614.97

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Solution

The fourth proportional to 11,395.28, 15,725.24 and 6,614.97 is: 9,128.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,395.28 : 15,725.24 = 6,614.97 : x
  2. Step 2: Convert to fraction form
    11,395.28/15,725.24 = 6,614.97/x
  3. Step 3: Cross multiply
    11,395.28x = 15,725.24 × 6,614.97
  4. Step 4: Simplify right side
    11,395.28x = 104,021,923.60
  5. Step 5: Solve for x
    x = 104,021,923.60/11,395.28
  6. Step 6: Final answer
    x = 9,128.51

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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.