Home / 11,333.68-16,997.55-5,090.20

Finding the Fourth Proportional to 11,333.68, 16,997.55 and 5,090.20

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Solution

The fourth proportional to 11,333.68, 16,997.55 and 5,090.20 is: 7,633.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,333.68 : 16,997.55 = 5,090.20 : x
  2. Step 2: Convert to fraction form
    11,333.68/16,997.55 = 5,090.20/x
  3. Step 3: Cross multiply
    11,333.68x = 16,997.55 × 5,090.20
  4. Step 4: Simplify right side
    11,333.68x = 86,520,929.01
  5. Step 5: Solve for x
    x = 86,520,929.01/11,333.68
  6. Step 6: Final answer
    x = 7,633.97

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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.