Home / 7,555.09-11,333.46-3,174.61

Finding the Fourth Proportional to 7,555.09, 11,333.46 and 3,174.61

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Solution

The fourth proportional to 7,555.09, 11,333.46 and 3,174.61 is: 4,762.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.09 : 11,333.46 = 3,174.61 : x
  2. Step 2: Convert to fraction form
    7,555.09/11,333.46 = 3,174.61/x
  3. Step 3: Cross multiply
    7,555.09x = 11,333.46 × 3,174.61
  4. Step 4: Simplify right side
    7,555.09x = 35,979,315.45
  5. Step 5: Solve for x
    x = 35,979,315.45/7,555.09
  6. Step 6: Final answer
    x = 4,762.26

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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.