Home / 11,110.75-16,666.64-6,176.68

Finding the Fourth Proportional to 11,110.75, 16,666.64 and 6,176.68

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Solution

The fourth proportional to 11,110.75, 16,666.64 and 6,176.68 is: 9,265.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110.75 : 16,666.64 = 6,176.68 : x
  2. Step 2: Convert to fraction form
    11,110.75/16,666.64 = 6,176.68/x
  3. Step 3: Cross multiply
    11,110.75x = 16,666.64 × 6,176.68
  4. Step 4: Simplify right side
    11,110.75x = 102,944,501.96
  5. Step 5: Solve for x
    x = 102,944,501.96/11,110.75
  6. Step 6: Final answer
    x = 9,265.31

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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.