Home / 11,773.20-16,246.75-6,395.49

Finding the Fourth Proportional to 11,773.20, 16,246.75 and 6,395.49

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Solution

The fourth proportional to 11,773.20, 16,246.75 and 6,395.49 is: 8,825.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,773.20 : 16,246.75 = 6,395.49 : x
  2. Step 2: Convert to fraction form
    11,773.20/16,246.75 = 6,395.49/x
  3. Step 3: Cross multiply
    11,773.20x = 16,246.75 × 6,395.49
  4. Step 4: Simplify right side
    11,773.20x = 103,906,009.69
  5. Step 5: Solve for x
    x = 103,906,009.69/11,773.20
  6. Step 6: Final answer
    x = 8,825.64

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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.