Home / 11,466.28-17,189.82-10,921.96

Finding the Fourth Proportional to 11,466.28, 17,189.82 and 10,921.96

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Solution

The fourth proportional to 11,466.28, 17,189.82 and 10,921.96 is: 16,373.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,466.28 : 17,189.82 = 10,921.96 : x
  2. Step 2: Convert to fraction form
    11,466.28/17,189.82 = 10,921.96/x
  3. Step 3: Cross multiply
    11,466.28x = 17,189.82 × 10,921.96
  4. Step 4: Simplify right side
    11,466.28x = 187,746,526.45
  5. Step 5: Solve for x
    x = 187,746,526.45/11,466.28
  6. Step 6: Final answer
    x = 16,373.80

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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.