Home / 9,414.40-14,083.20-8,492.80

Finding the Fourth Proportional to 9,414.40, 14,083.20 and 8,492.80

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Solution

The fourth proportional to 9,414.40, 14,083.20 and 8,492.80 is: 12,704.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,414.40 : 14,083.20 = 8,492.80 : x
  2. Step 2: Convert to fraction form
    9,414.40/14,083.20 = 8,492.80/x
  3. Step 3: Cross multiply
    9,414.40x = 14,083.20 × 8,492.80
  4. Step 4: Simplify right side
    9,414.40x = 119,605,800.96
  5. Step 5: Solve for x
    x = 119,605,800.96/9,414.40
  6. Step 6: Final answer
    x = 12,704.56

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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.