Home / 28,246.25-42,369.68-8,524.98

Finding the Fourth Proportional to 28,246.25, 42,369.68 and 8,524.98

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Solution

The fourth proportional to 28,246.25, 42,369.68 and 8,524.98 is: 12,787.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,246.25 : 42,369.68 = 8,524.98 : x
  2. Step 2: Convert to fraction form
    28,246.25/42,369.68 = 8,524.98/x
  3. Step 3: Cross multiply
    28,246.25x = 42,369.68 × 8,524.98
  4. Step 4: Simplify right side
    28,246.25x = 361,200,695.92
  5. Step 5: Solve for x
    x = 361,200,695.92/28,246.25
  6. Step 6: Final answer
    x = 12,787.56

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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.