Home / 11,855.68-16,360.44-6,550.18

Finding the Fourth Proportional to 11,855.68, 16,360.44 and 6,550.18

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Solution

The fourth proportional to 11,855.68, 16,360.44 and 6,550.18 is: 9,039.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,855.68 : 16,360.44 = 6,550.18 : x
  2. Step 2: Convert to fraction form
    11,855.68/16,360.44 = 6,550.18/x
  3. Step 3: Cross multiply
    11,855.68x = 16,360.44 × 6,550.18
  4. Step 4: Simplify right side
    11,855.68x = 107,163,826.88
  5. Step 5: Solve for x
    x = 107,163,826.88/11,855.68
  6. Step 6: Final answer
    x = 9,039.03

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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.