Home / 11,803.88-16,307.26-8,814.54

Finding the Fourth Proportional to 11,803.88, 16,307.26 and 8,814.54

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Solution

The fourth proportional to 11,803.88, 16,307.26 and 8,814.54 is: 12,177.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,803.88 : 16,307.26 = 8,814.54 : x
  2. Step 2: Convert to fraction form
    11,803.88/16,307.26 = 8,814.54/x
  3. Step 3: Cross multiply
    11,803.88x = 16,307.26 × 8,814.54
  4. Step 4: Simplify right side
    11,803.88x = 143,740,995.56
  5. Step 5: Solve for x
    x = 143,740,995.56/11,803.88
  6. Step 6: Final answer
    x = 12,177.44

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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.