Home / 28,454.97-42,680.84-8,733.50

Finding the Fourth Proportional to 28,454.97, 42,680.84 and 8,733.50

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Solution

The fourth proportional to 28,454.97, 42,680.84 and 8,733.50 is: 13,099.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,454.97 : 42,680.84 = 8,733.50 : x
  2. Step 2: Convert to fraction form
    28,454.97/42,680.84 = 8,733.50/x
  3. Step 3: Cross multiply
    28,454.97x = 42,680.84 × 8,733.50
  4. Step 4: Simplify right side
    28,454.97x = 372,753,116.14
  5. Step 5: Solve for x
    x = 372,753,116.14/28,454.97
  6. Step 6: Final answer
    x = 13,099.75

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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.