Home / 28,832.52-43,253.39-9,115.69

Finding the Fourth Proportional to 28,832.52, 43,253.39 and 9,115.69

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Solution

The fourth proportional to 28,832.52, 43,253.39 and 9,115.69 is: 13,674.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,832.52 : 43,253.39 = 9,115.69 : x
  2. Step 2: Convert to fraction form
    28,832.52/43,253.39 = 9,115.69/x
  3. Step 3: Cross multiply
    28,832.52x = 43,253.39 × 9,115.69
  4. Step 4: Simplify right side
    28,832.52x = 394,284,490.44
  5. Step 5: Solve for x
    x = 394,284,490.44/28,832.52
  6. Step 6: Final answer
    x = 13,674.99

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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.