Home / 11,156.63-16,734.94-4,231.13

Finding the Fourth Proportional to 11,156.63, 16,734.94 and 4,231.13

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Solution

The fourth proportional to 11,156.63, 16,734.94 and 4,231.13 is: 6,346.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,156.63 : 16,734.94 = 4,231.13 : x
  2. Step 2: Convert to fraction form
    11,156.63/16,734.94 = 4,231.13/x
  3. Step 3: Cross multiply
    11,156.63x = 16,734.94 × 4,231.13
  4. Step 4: Simplify right side
    11,156.63x = 70,807,612.43
  5. Step 5: Solve for x
    x = 70,807,612.43/11,156.63
  6. Step 6: Final answer
    x = 6,346.69

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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.