Home / 28,847.82-43,274.16-9,125.94

Finding the Fourth Proportional to 28,847.82, 43,274.16 and 9,125.94

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Solution

The fourth proportional to 28,847.82, 43,274.16 and 9,125.94 is: 13,689.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,847.82 : 43,274.16 = 9,125.94 : x
  2. Step 2: Convert to fraction form
    28,847.82/43,274.16 = 9,125.94/x
  3. Step 3: Cross multiply
    28,847.82x = 43,274.16 × 9,125.94
  4. Step 4: Simplify right side
    28,847.82x = 394,917,387.71
  5. Step 5: Solve for x
    x = 394,917,387.71/28,847.82
  6. Step 6: Final answer
    x = 13,689.68

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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.