Home / 11,940.16-17,909.02-3,175.96

Finding the Fourth Proportional to 11,940.16, 17,909.02 and 3,175.96

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Solution

The fourth proportional to 11,940.16, 17,909.02 and 3,175.96 is: 4,763.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,940.16 : 17,909.02 = 3,175.96 : x
  2. Step 2: Convert to fraction form
    11,940.16/17,909.02 = 3,175.96/x
  3. Step 3: Cross multiply
    11,940.16x = 17,909.02 × 3,175.96
  4. Step 4: Simplify right side
    11,940.16x = 56,878,331.16
  5. Step 5: Solve for x
    x = 56,878,331.16/11,940.16
  6. Step 6: Final answer
    x = 4,763.62

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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.