Home / 11,379.24-17,040.36-7,206.66

Finding the Fourth Proportional to 11,379.24, 17,040.36 and 7,206.66

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Solution

The fourth proportional to 11,379.24, 17,040.36 and 7,206.66 is: 10,791.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,379.24 : 17,040.36 = 7,206.66 : x
  2. Step 2: Convert to fraction form
    11,379.24/17,040.36 = 7,206.66/x
  3. Step 3: Cross multiply
    11,379.24x = 17,040.36 × 7,206.66
  4. Step 4: Simplify right side
    11,379.24x = 122,804,080.80
  5. Step 5: Solve for x
    x = 122,804,080.80/11,379.24
  6. Step 6: Final answer
    x = 10,791.94

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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.