Home / 11,796.45-16,278.35-6,418.83

Finding the Fourth Proportional to 11,796.45, 16,278.35 and 6,418.83

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Solution

The fourth proportional to 11,796.45, 16,278.35 and 6,418.83 is: 8,857.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,796.45 : 16,278.35 = 6,418.83 : x
  2. Step 2: Convert to fraction form
    11,796.45/16,278.35 = 6,418.83/x
  3. Step 3: Cross multiply
    11,796.45x = 16,278.35 × 6,418.83
  4. Step 4: Simplify right side
    11,796.45x = 104,487,929.24
  5. Step 5: Solve for x
    x = 104,487,929.24/11,796.45
  6. Step 6: Final answer
    x = 8,857.57

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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.