Home / 12,557.88-18,836.96-3,793.16

Finding the Fourth Proportional to 12,557.88, 18,836.96 and 3,793.16

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Solution

The fourth proportional to 12,557.88, 18,836.96 and 3,793.16 is: 5,689.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,557.88 : 18,836.96 = 3,793.16 : x
  2. Step 2: Convert to fraction form
    12,557.88/18,836.96 = 3,793.16/x
  3. Step 3: Cross multiply
    12,557.88x = 18,836.96 × 3,793.16
  4. Step 4: Simplify right side
    12,557.88x = 71,451,603.19
  5. Step 5: Solve for x
    x = 71,451,603.19/12,557.88
  6. Step 6: Final answer
    x = 5,689.78

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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.