Home / 11,969.80-17,952.37-4,572.49

Finding the Fourth Proportional to 11,969.80, 17,952.37 and 4,572.49

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Solution

The fourth proportional to 11,969.80, 17,952.37 and 4,572.49 is: 6,857.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,969.80 : 17,952.37 = 4,572.49 : x
  2. Step 2: Convert to fraction form
    11,969.80/17,952.37 = 4,572.49/x
  3. Step 3: Cross multiply
    11,969.80x = 17,952.37 × 4,572.49
  4. Step 4: Simplify right side
    11,969.80x = 82,087,032.30
  5. Step 5: Solve for x
    x = 82,087,032.30/11,969.80
  6. Step 6: Final answer
    x = 6,857.84

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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.