Home / 11,409.02-17,112.71-3,512.13

Finding the Fourth Proportional to 11,409.02, 17,112.71 and 3,512.13

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Solution

The fourth proportional to 11,409.02, 17,112.71 and 3,512.13 is: 5,267.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,409.02 : 17,112.71 = 3,512.13 : x
  2. Step 2: Convert to fraction form
    11,409.02/17,112.71 = 3,512.13/x
  3. Step 3: Cross multiply
    11,409.02x = 17,112.71 × 3,512.13
  4. Step 4: Simplify right side
    11,409.02x = 60,102,044.61
  5. Step 5: Solve for x
    x = 60,102,044.61/11,409.02
  6. Step 6: Final answer
    x = 5,267.94

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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.