Home / 11,704.26-16,150.68-6,987.63

Finding the Fourth Proportional to 11,704.26, 16,150.68 and 6,987.63

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Solution

The fourth proportional to 11,704.26, 16,150.68 and 6,987.63 is: 9,642.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,704.26 : 16,150.68 = 6,987.63 : x
  2. Step 2: Convert to fraction form
    11,704.26/16,150.68 = 6,987.63/x
  3. Step 3: Cross multiply
    11,704.26x = 16,150.68 × 6,987.63
  4. Step 4: Simplify right side
    11,704.26x = 112,854,976.09
  5. Step 5: Solve for x
    x = 112,854,976.09/11,704.26
  6. Step 6: Final answer
    x = 9,642.21

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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.