Home / 11,949.80-17,932.19-4,554.90

Finding the Fourth Proportional to 11,949.80, 17,932.19 and 4,554.90

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Solution

The fourth proportional to 11,949.80, 17,932.19 and 4,554.90 is: 6,835.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,949.80 : 17,932.19 = 4,554.90 : x
  2. Step 2: Convert to fraction form
    11,949.80/17,932.19 = 4,554.90/x
  3. Step 3: Cross multiply
    11,949.80x = 17,932.19 × 4,554.90
  4. Step 4: Simplify right side
    11,949.80x = 81,679,309.46
  5. Step 5: Solve for x
    x = 81,679,309.46/11,949.80
  6. Step 6: Final answer
    x = 6,835.21

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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.