Home / 10,983.90-16,475.85-4,414.80

Finding the Fourth Proportional to 10,983.90, 16,475.85 and 4,414.80

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Solution

The fourth proportional to 10,983.90, 16,475.85 and 4,414.80 is: 6,622.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,983.90 : 16,475.85 = 4,414.80 : x
  2. Step 2: Convert to fraction form
    10,983.90/16,475.85 = 4,414.80/x
  3. Step 3: Cross multiply
    10,983.90x = 16,475.85 × 4,414.80
  4. Step 4: Simplify right side
    10,983.90x = 72,737,582.58
  5. Step 5: Solve for x
    x = 72,737,582.58/10,983.90
  6. Step 6: Final answer
    x = 6,622.20

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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.