Home / 11,766.40-17,654.22-5,188

Finding the Fourth Proportional to 11,766.40, 17,654.22 and 5,188

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Solution

The fourth proportional to 11,766.40, 17,654.22 and 5,188 is: 7,784.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,766.40 : 17,654.22 = 5,188 : x
  2. Step 2: Convert to fraction form
    11,766.40/17,654.22 = 5,188/x
  3. Step 3: Cross multiply
    11,766.40x = 17,654.22 × 5,188
  4. Step 4: Simplify right side
    11,766.40x = 91,590,093.36
  5. Step 5: Solve for x
    x = 91,590,093.36/11,766.40
  6. Step 6: Final answer
    x = 7,784.04

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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.