Home / 11,772.73-17,657.15-3,875.35

Finding the Fourth Proportional to 11,772.73, 17,657.15 and 3,875.35

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Solution

The fourth proportional to 11,772.73, 17,657.15 and 3,875.35 is: 5,812.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,772.73 : 17,657.15 = 3,875.35 : x
  2. Step 2: Convert to fraction form
    11,772.73/17,657.15 = 3,875.35/x
  3. Step 3: Cross multiply
    11,772.73x = 17,657.15 × 3,875.35
  4. Step 4: Simplify right side
    11,772.73x = 68,427,636.25
  5. Step 5: Solve for x
    x = 68,427,636.25/11,772.73
  6. Step 6: Final answer
    x = 5,812.38

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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.