Home / 11,803.98-16,289.20-6,771.18

Finding the Fourth Proportional to 11,803.98, 16,289.20 and 6,771.18

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Solution

The fourth proportional to 11,803.98, 16,289.20 and 6,771.18 is: 9,344.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,803.98 : 16,289.20 = 6,771.18 : x
  2. Step 2: Convert to fraction form
    11,803.98/16,289.20 = 6,771.18/x
  3. Step 3: Cross multiply
    11,803.98x = 16,289.20 × 6,771.18
  4. Step 4: Simplify right side
    11,803.98x = 110,297,105.26
  5. Step 5: Solve for x
    x = 110,297,105.26/11,803.98
  6. Step 6: Final answer
    x = 9,344.06

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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.