Home / 11,796.75-16,279.32-6,491.46

Finding the Fourth Proportional to 11,796.75, 16,279.32 and 6,491.46

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Solution

The fourth proportional to 11,796.75, 16,279.32 and 6,491.46 is: 8,958.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,796.75 : 16,279.32 = 6,491.46 : x
  2. Step 2: Convert to fraction form
    11,796.75/16,279.32 = 6,491.46/x
  3. Step 3: Cross multiply
    11,796.75x = 16,279.32 × 6,491.46
  4. Step 4: Simplify right side
    11,796.75x = 105,676,554.61
  5. Step 5: Solve for x
    x = 105,676,554.61/11,796.75
  6. Step 6: Final answer
    x = 8,958.11

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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.