Home / 11,072.28-15,174.04-10,698.06

Finding the Fourth Proportional to 11,072.28, 15,174.04 and 10,698.06

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Solution

The fourth proportional to 11,072.28, 15,174.04 and 10,698.06 is: 14,661.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,072.28 : 15,174.04 = 10,698.06 : x
  2. Step 2: Convert to fraction form
    11,072.28/15,174.04 = 10,698.06/x
  3. Step 3: Cross multiply
    11,072.28x = 15,174.04 × 10,698.06
  4. Step 4: Simplify right side
    11,072.28x = 162,332,790.36
  5. Step 5: Solve for x
    x = 162,332,790.36/11,072.28
  6. Step 6: Final answer
    x = 14,661.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.