Home / 11,796.14-16,278.69-6,491.28

Finding the Fourth Proportional to 11,796.14, 16,278.69 and 6,491.28

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Solution

The fourth proportional to 11,796.14, 16,278.69 and 6,491.28 is: 8,957.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,796.14 : 16,278.69 = 6,491.28 : x
  2. Step 2: Convert to fraction form
    11,796.14/16,278.69 = 6,491.28/x
  3. Step 3: Cross multiply
    11,796.14x = 16,278.69 × 6,491.28
  4. Step 4: Simplify right side
    11,796.14x = 105,669,534.82
  5. Step 5: Solve for x
    x = 105,669,534.82/11,796.14
  6. Step 6: Final answer
    x = 8,957.98

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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.