Home / 11,355.30-17,033.02-3,959.76

Finding the Fourth Proportional to 11,355.30, 17,033.02 and 3,959.76

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Solution

The fourth proportional to 11,355.30, 17,033.02 and 3,959.76 is: 5,939.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,355.30 : 17,033.02 = 3,959.76 : x
  2. Step 2: Convert to fraction form
    11,355.30/17,033.02 = 3,959.76/x
  3. Step 3: Cross multiply
    11,355.30x = 17,033.02 × 3,959.76
  4. Step 4: Simplify right side
    11,355.30x = 67,446,671.28
  5. Step 5: Solve for x
    x = 67,446,671.28/11,355.30
  6. Step 6: Final answer
    x = 5,939.66

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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.