Home / 11,189.12-16,783.32-3,793.52

Finding the Fourth Proportional to 11,189.12, 16,783.32 and 3,793.52

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Solution

The fourth proportional to 11,189.12, 16,783.32 and 3,793.52 is: 5,690.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.12 : 16,783.32 = 3,793.52 : x
  2. Step 2: Convert to fraction form
    11,189.12/16,783.32 = 3,793.52/x
  3. Step 3: Cross multiply
    11,189.12x = 16,783.32 × 3,793.52
  4. Step 4: Simplify right side
    11,189.12x = 63,667,860.09
  5. Step 5: Solve for x
    x = 63,667,860.09/11,189.12
  6. Step 6: Final answer
    x = 5,690.16

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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.