Home / 28,246.24-42,369.64-8,524.96

Finding the Fourth Proportional to 28,246.24, 42,369.64 and 8,524.96

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Solution

The fourth proportional to 28,246.24, 42,369.64 and 8,524.96 is: 12,787.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,246.24 : 42,369.64 = 8,524.96 : x
  2. Step 2: Convert to fraction form
    28,246.24/42,369.64 = 8,524.96/x
  3. Step 3: Cross multiply
    28,246.24x = 42,369.64 × 8,524.96
  4. Step 4: Simplify right side
    28,246.24x = 361,199,486.21
  5. Step 5: Solve for x
    x = 361,199,486.21/28,246.24
  6. Step 6: Final answer
    x = 12,787.52

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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.