Home / 10,790.01-16,178.40-4,208.49

Finding the Fourth Proportional to 10,790.01, 16,178.40 and 4,208.49

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Solution

The fourth proportional to 10,790.01, 16,178.40 and 4,208.49 is: 6,310.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790.01 : 16,178.40 = 4,208.49 : x
  2. Step 2: Convert to fraction form
    10,790.01/16,178.40 = 4,208.49/x
  3. Step 3: Cross multiply
    10,790.01x = 16,178.40 × 4,208.49
  4. Step 4: Simplify right side
    10,790.01x = 68,086,634.62
  5. Step 5: Solve for x
    x = 68,086,634.62/10,790.01
  6. Step 6: Final answer
    x = 6,310.15

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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.