Home / 11,807.21-16,293.31-6,771.18

Finding the Fourth Proportional to 11,807.21, 16,293.31 and 6,771.18

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Solution

The fourth proportional to 11,807.21, 16,293.31 and 6,771.18 is: 9,343.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,807.21 : 16,293.31 = 6,771.18 : x
  2. Step 2: Convert to fraction form
    11,807.21/16,293.31 = 6,771.18/x
  3. Step 3: Cross multiply
    11,807.21x = 16,293.31 × 6,771.18
  4. Step 4: Simplify right side
    11,807.21x = 110,324,934.81
  5. Step 5: Solve for x
    x = 110,324,934.81/11,807.21
  6. Step 6: Final answer
    x = 9,343.86

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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.