Home / 8,514.88-11,743.87-5,531.68

Finding the Fourth Proportional to 8,514.88, 11,743.87 and 5,531.68

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Solution

The fourth proportional to 8,514.88, 11,743.87 and 5,531.68 is: 7,629.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,514.88 : 11,743.87 = 5,531.68 : x
  2. Step 2: Convert to fraction form
    8,514.88/11,743.87 = 5,531.68/x
  3. Step 3: Cross multiply
    8,514.88x = 11,743.87 × 5,531.68
  4. Step 4: Simplify right side
    8,514.88x = 64,963,272.08
  5. Step 5: Solve for x
    x = 64,963,272.08/8,514.88
  6. Step 6: Final answer
    x = 7,629.39

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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.