Home / 8,379.06-11,561.16-5,022.48

Finding the Fourth Proportional to 8,379.06, 11,561.16 and 5,022.48

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Solution

The fourth proportional to 8,379.06, 11,561.16 and 5,022.48 is: 6,929.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,379.06 : 11,561.16 = 5,022.48 : x
  2. Step 2: Convert to fraction form
    8,379.06/11,561.16 = 5,022.48/x
  3. Step 3: Cross multiply
    8,379.06x = 11,561.16 × 5,022.48
  4. Step 4: Simplify right side
    8,379.06x = 58,065,694.88
  5. Step 5: Solve for x
    x = 58,065,694.88/8,379.06
  6. Step 6: Final answer
    x = 6,929.86

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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.