Home / 11,057.85-16,564.55-5,494.35

Finding the Fourth Proportional to 11,057.85, 16,564.55 and 5,494.35

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Solution

The fourth proportional to 11,057.85, 16,564.55 and 5,494.35 is: 8,230.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,057.85 : 16,564.55 = 5,494.35 : x
  2. Step 2: Convert to fraction form
    11,057.85/16,564.55 = 5,494.35/x
  3. Step 3: Cross multiply
    11,057.85x = 16,564.55 × 5,494.35
  4. Step 4: Simplify right side
    11,057.85x = 91,011,407.82
  5. Step 5: Solve for x
    x = 91,011,407.82/11,057.85
  6. Step 6: Final answer
    x = 8,230.48

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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.