Home / 10,805.96-16,208.94-4,231.32

Finding the Fourth Proportional to 10,805.96, 16,208.94 and 4,231.32

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Solution

The fourth proportional to 10,805.96, 16,208.94 and 4,231.32 is: 6,346.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,805.96 : 16,208.94 = 4,231.32 : x
  2. Step 2: Convert to fraction form
    10,805.96/16,208.94 = 4,231.32/x
  3. Step 3: Cross multiply
    10,805.96x = 16,208.94 × 4,231.32
  4. Step 4: Simplify right side
    10,805.96x = 68,585,212.00
  5. Step 5: Solve for x
    x = 68,585,212.00/10,805.96
  6. Step 6: Final answer
    x = 6,346.98

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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.