Home / 28,843.98-43,265.72-9,122.55

Finding the Fourth Proportional to 28,843.98, 43,265.72 and 9,122.55

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Solution

The fourth proportional to 28,843.98, 43,265.72 and 9,122.55 is: 13,683.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,843.98 : 43,265.72 = 9,122.55 : x
  2. Step 2: Convert to fraction form
    28,843.98/43,265.72 = 9,122.55/x
  3. Step 3: Cross multiply
    28,843.98x = 43,265.72 × 9,122.55
  4. Step 4: Simplify right side
    28,843.98x = 394,693,648.37
  5. Step 5: Solve for x
    x = 394,693,648.37/28,843.98
  6. Step 6: Final answer
    x = 13,683.74

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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.