Home / 10,790.82-16,186.26-2,999.64

Finding the Fourth Proportional to 10,790.82, 16,186.26 and 2,999.64

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Solution

The fourth proportional to 10,790.82, 16,186.26 and 2,999.64 is: 4,499.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790.82 : 16,186.26 = 2,999.64 : x
  2. Step 2: Convert to fraction form
    10,790.82/16,186.26 = 2,999.64/x
  3. Step 3: Cross multiply
    10,790.82x = 16,186.26 × 2,999.64
  4. Step 4: Simplify right side
    10,790.82x = 48,552,952.95
  5. Step 5: Solve for x
    x = 48,552,952.95/10,790.82
  6. Step 6: Final answer
    x = 4,499.47

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Half scale
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Double scale
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Similar ratio
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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.