Home / 11,812.02-17,721.09-4,416.54

Finding the Fourth Proportional to 11,812.02, 17,721.09 and 4,416.54

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Solution

The fourth proportional to 11,812.02, 17,721.09 and 4,416.54 is: 6,625.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,812.02 : 17,721.09 = 4,416.54 : x
  2. Step 2: Convert to fraction form
    11,812.02/17,721.09 = 4,416.54/x
  3. Step 3: Cross multiply
    11,812.02x = 17,721.09 × 4,416.54
  4. Step 4: Simplify right side
    11,812.02x = 78,265,902.83
  5. Step 5: Solve for x
    x = 78,265,902.83/11,812.02
  6. Step 6: Final answer
    x = 6,625.95

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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.