Home / 11,555.75-17,333.66-2,790.66

Finding the Fourth Proportional to 11,555.75, 17,333.66 and 2,790.66

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Solution

The fourth proportional to 11,555.75, 17,333.66 and 2,790.66 is: 4,186.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555.75 : 17,333.66 = 2,790.66 : x
  2. Step 2: Convert to fraction form
    11,555.75/17,333.66 = 2,790.66/x
  3. Step 3: Cross multiply
    11,555.75x = 17,333.66 × 2,790.66
  4. Step 4: Simplify right side
    11,555.75x = 48,372,337.66
  5. Step 5: Solve for x
    x = 48,372,337.66/11,555.75
  6. Step 6: Final answer
    x = 4,186.00

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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.