Home / 9,968.09-13,755.62-5,491.82

Finding the Fourth Proportional to 9,968.09, 13,755.62 and 5,491.82

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Solution

The fourth proportional to 9,968.09, 13,755.62 and 5,491.82 is: 7,578.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,968.09 : 13,755.62 = 5,491.82 : x
  2. Step 2: Convert to fraction form
    9,968.09/13,755.62 = 5,491.82/x
  3. Step 3: Cross multiply
    9,968.09x = 13,755.62 × 5,491.82
  4. Step 4: Simplify right side
    9,968.09x = 75,543,292.79
  5. Step 5: Solve for x
    x = 75,543,292.79/9,968.09
  6. Step 6: Final answer
    x = 7,578.52

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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.