Home / 11,826.36-16,334.91-8,855.46

Finding the Fourth Proportional to 11,826.36, 16,334.91 and 8,855.46

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Solution

The fourth proportional to 11,826.36, 16,334.91 and 8,855.46 is: 12,231.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,826.36 : 16,334.91 = 8,855.46 : x
  2. Step 2: Convert to fraction form
    11,826.36/16,334.91 = 8,855.46/x
  3. Step 3: Cross multiply
    11,826.36x = 16,334.91 × 8,855.46
  4. Step 4: Simplify right side
    11,826.36x = 144,653,142.11
  5. Step 5: Solve for x
    x = 144,653,142.11/11,826.36
  6. Step 6: Final answer
    x = 12,231.42

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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.