Home / 11,186.60-16,778.93-5,262.09

Finding the Fourth Proportional to 11,186.60, 16,778.93 and 5,262.09

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Solution

The fourth proportional to 11,186.60, 16,778.93 and 5,262.09 is: 7,892.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.60 : 16,778.93 = 5,262.09 : x
  2. Step 2: Convert to fraction form
    11,186.60/16,778.93 = 5,262.09/x
  3. Step 3: Cross multiply
    11,186.60x = 16,778.93 × 5,262.09
  4. Step 4: Simplify right side
    11,186.60x = 88,292,239.76
  5. Step 5: Solve for x
    x = 88,292,239.76/11,186.60
  6. Step 6: Final answer
    x = 7,892.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.