Home / 11,766.49-17,645.02-5,188

Finding the Fourth Proportional to 11,766.49, 17,645.02 and 5,188

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Solution

The fourth proportional to 11,766.49, 17,645.02 and 5,188 is: 7,779.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,766.49 : 17,645.02 = 5,188 : x
  2. Step 2: Convert to fraction form
    11,766.49/17,645.02 = 5,188/x
  3. Step 3: Cross multiply
    11,766.49x = 17,645.02 × 5,188
  4. Step 4: Simplify right side
    11,766.49x = 91,542,363.76
  5. Step 5: Solve for x
    x = 91,542,363.76/11,766.49
  6. Step 6: Final answer
    x = 7,779.92

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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.