Home / 12,049.97-18,077.58-5,817.02

Finding the Fourth Proportional to 12,049.97, 18,077.58 and 5,817.02

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Solution

The fourth proportional to 12,049.97, 18,077.58 and 5,817.02 is: 8,726.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,049.97 : 18,077.58 = 5,817.02 : x
  2. Step 2: Convert to fraction form
    12,049.97/18,077.58 = 5,817.02/x
  3. Step 3: Cross multiply
    12,049.97x = 18,077.58 × 5,817.02
  4. Step 4: Simplify right side
    12,049.97x = 105,157,554.02
  5. Step 5: Solve for x
    x = 105,157,554.02/12,049.97
  6. Step 6: Final answer
    x = 8,726.79

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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.