Home / 11,791.48-16,272.54-6,486.44

Finding the Fourth Proportional to 11,791.48, 16,272.54 and 6,486.44

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Solution

The fourth proportional to 11,791.48, 16,272.54 and 6,486.44 is: 8,951.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,791.48 : 16,272.54 = 6,486.44 : x
  2. Step 2: Convert to fraction form
    11,791.48/16,272.54 = 6,486.44/x
  3. Step 3: Cross multiply
    11,791.48x = 16,272.54 × 6,486.44
  4. Step 4: Simplify right side
    11,791.48x = 105,550,854.36
  5. Step 5: Solve for x
    x = 105,550,854.36/11,791.48
  6. Step 6: Final answer
    x = 8,951.45

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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.