Home / 11,090.40-16,651.20-8,892.24

Finding the Fourth Proportional to 11,090.40, 16,651.20 and 8,892.24

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Solution

The fourth proportional to 11,090.40, 16,651.20 and 8,892.24 is: 13,350.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,090.40 : 16,651.20 = 8,892.24 : x
  2. Step 2: Convert to fraction form
    11,090.40/16,651.20 = 8,892.24/x
  3. Step 3: Cross multiply
    11,090.40x = 16,651.20 × 8,892.24
  4. Step 4: Simplify right side
    11,090.40x = 148,066,466.69
  5. Step 5: Solve for x
    x = 148,066,466.69/11,090.40
  6. Step 6: Final answer
    x = 13,350.87

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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.