Home / 11,090.45-16,620.40-4,855.68

Finding the Fourth Proportional to 11,090.45, 16,620.40 and 4,855.68

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Solution

The fourth proportional to 11,090.45, 16,620.40 and 4,855.68 is: 7,276.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,090.45 : 16,620.40 = 4,855.68 : x
  2. Step 2: Convert to fraction form
    11,090.45/16,620.40 = 4,855.68/x
  3. Step 3: Cross multiply
    11,090.45x = 16,620.40 × 4,855.68
  4. Step 4: Simplify right side
    11,090.45x = 80,703,349.94
  5. Step 5: Solve for x
    x = 80,703,349.94/11,090.45
  6. Step 6: Final answer
    x = 7,276.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.