Home / 11,796.48-16,279.08-6,491.16

Finding the Fourth Proportional to 11,796.48, 16,279.08 and 6,491.16

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Solution

The fourth proportional to 11,796.48, 16,279.08 and 6,491.16 is: 8,957.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,796.48 : 16,279.08 = 6,491.16 : x
  2. Step 2: Convert to fraction form
    11,796.48/16,279.08 = 6,491.16/x
  3. Step 3: Cross multiply
    11,796.48x = 16,279.08 × 6,491.16
  4. Step 4: Simplify right side
    11,796.48x = 105,670,112.93
  5. Step 5: Solve for x
    x = 105,670,112.93/11,796.48
  6. Step 6: Final answer
    x = 8,957.77

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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.