Home / 28,812.72-43,197.84-11,273.52

Finding the Fourth Proportional to 28,812.72, 43,197.84 and 11,273.52

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Solution

The fourth proportional to 28,812.72, 43,197.84 and 11,273.52 is: 16,901.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,812.72 : 43,197.84 = 11,273.52 : x
  2. Step 2: Convert to fraction form
    28,812.72/43,197.84 = 11,273.52/x
  3. Step 3: Cross multiply
    28,812.72x = 43,197.84 × 11,273.52
  4. Step 4: Simplify right side
    28,812.72x = 486,991,713.20
  5. Step 5: Solve for x
    x = 486,991,713.20/28,812.72
  6. Step 6: Final answer
    x = 16,901.97

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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.