Home / 9,078.05-13,612.20-3,233.90

Finding the Fourth Proportional to 9,078.05, 13,612.20 and 3,233.90

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Solution

The fourth proportional to 9,078.05, 13,612.20 and 3,233.90 is: 4,849.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,078.05 : 13,612.20 = 3,233.90 : x
  2. Step 2: Convert to fraction form
    9,078.05/13,612.20 = 3,233.90/x
  3. Step 3: Cross multiply
    9,078.05x = 13,612.20 × 3,233.90
  4. Step 4: Simplify right side
    9,078.05x = 44,020,493.58
  5. Step 5: Solve for x
    x = 44,020,493.58/9,078.05
  6. Step 6: Final answer
    x = 4,849.11

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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.