Home / 10,763.38-16,149.78-4,187.30

Finding the Fourth Proportional to 10,763.38, 16,149.78 and 4,187.30

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Solution

The fourth proportional to 10,763.38, 16,149.78 and 4,187.30 is: 6,282.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,763.38 : 16,149.78 = 4,187.30 : x
  2. Step 2: Convert to fraction form
    10,763.38/16,149.78 = 4,187.30/x
  3. Step 3: Cross multiply
    10,763.38x = 16,149.78 × 4,187.30
  4. Step 4: Simplify right side
    10,763.38x = 67,623,893.05
  5. Step 5: Solve for x
    x = 67,623,893.05/10,763.38
  6. Step 6: Final answer
    x = 6,282.77

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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.