Home / 11,612.15-16,026.12-6,896.43

Finding the Fourth Proportional to 11,612.15, 16,026.12 and 6,896.43

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Solution

The fourth proportional to 11,612.15, 16,026.12 and 6,896.43 is: 9,517.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,612.15 : 16,026.12 = 6,896.43 : x
  2. Step 2: Convert to fraction form
    11,612.15/16,026.12 = 6,896.43/x
  3. Step 3: Cross multiply
    11,612.15x = 16,026.12 × 6,896.43
  4. Step 4: Simplify right side
    11,612.15x = 110,523,014.75
  5. Step 5: Solve for x
    x = 110,523,014.75/11,612.15
  6. Step 6: Final answer
    x = 9,517.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.