Home / 9,967.26-13,755.06-5,491.20

Finding the Fourth Proportional to 9,967.26, 13,755.06 and 5,491.20

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Solution

The fourth proportional to 9,967.26, 13,755.06 and 5,491.20 is: 7,577.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,967.26 : 13,755.06 = 5,491.20 : x
  2. Step 2: Convert to fraction form
    9,967.26/13,755.06 = 5,491.20/x
  3. Step 3: Cross multiply
    9,967.26x = 13,755.06 × 5,491.20
  4. Step 4: Simplify right side
    9,967.26x = 75,531,785.47
  5. Step 5: Solve for x
    x = 75,531,785.47/9,967.26
  6. Step 6: Final answer
    x = 7,577.99

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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.