Home / 8,454.33-12,669.95-3,184.05

Finding the Fourth Proportional to 8,454.33, 12,669.95 and 3,184.05

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Solution

The fourth proportional to 8,454.33, 12,669.95 and 3,184.05 is: 4,771.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,454.33 : 12,669.95 = 3,184.05 : x
  2. Step 2: Convert to fraction form
    8,454.33/12,669.95 = 3,184.05/x
  3. Step 3: Cross multiply
    8,454.33x = 12,669.95 × 3,184.05
  4. Step 4: Simplify right side
    8,454.33x = 40,341,754.30
  5. Step 5: Solve for x
    x = 40,341,754.30/8,454.33
  6. Step 6: Final answer
    x = 4,771.73

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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.