Home / 12,001.08-17,998.13-3,679.25

Finding the Fourth Proportional to 12,001.08, 17,998.13 and 3,679.25

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Solution

The fourth proportional to 12,001.08, 17,998.13 and 3,679.25 is: 5,517.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,001.08 : 17,998.13 = 3,679.25 : x
  2. Step 2: Convert to fraction form
    12,001.08/17,998.13 = 3,679.25/x
  3. Step 3: Cross multiply
    12,001.08x = 17,998.13 × 3,679.25
  4. Step 4: Simplify right side
    12,001.08x = 66,219,539.01
  5. Step 5: Solve for x
    x = 66,219,539.01/12,001.08
  6. Step 6: Final answer
    x = 5,517.80

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1.5x scale

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.