Home / 7,491.98-11,239.96-2,561.61

Finding the Fourth Proportional to 7,491.98, 11,239.96 and 2,561.61

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Solution

The fourth proportional to 7,491.98, 11,239.96 and 2,561.61 is: 3,843.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.98 : 11,239.96 = 2,561.61 : x
  2. Step 2: Convert to fraction form
    7,491.98/11,239.96 = 2,561.61/x
  3. Step 3: Cross multiply
    7,491.98x = 11,239.96 × 2,561.61
  4. Step 4: Simplify right side
    7,491.98x = 28,792,393.94
  5. Step 5: Solve for x
    x = 28,792,393.94/7,491.98
  6. Step 6: Final answer
    x = 3,843.10

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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.