Home / 12,186.48-16,817.20-6,881.52

Finding the Fourth Proportional to 12,186.48, 16,817.20 and 6,881.52

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Solution

The fourth proportional to 12,186.48, 16,817.20 and 6,881.52 is: 9,496.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,186.48 : 16,817.20 = 6,881.52 : x
  2. Step 2: Convert to fraction form
    12,186.48/16,817.20 = 6,881.52/x
  3. Step 3: Cross multiply
    12,186.48x = 16,817.20 × 6,881.52
  4. Step 4: Simplify right side
    12,186.48x = 115,727,898.14
  5. Step 5: Solve for x
    x = 115,727,898.14/12,186.48
  6. Step 6: Final answer
    x = 9,496.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.