Home / 7,412.34-11,120.67-3,027.54

Finding the Fourth Proportional to 7,412.34, 11,120.67 and 3,027.54

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Solution

The fourth proportional to 7,412.34, 11,120.67 and 3,027.54 is: 4,542.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.34 : 11,120.67 = 3,027.54 : x
  2. Step 2: Convert to fraction form
    7,412.34/11,120.67 = 3,027.54/x
  3. Step 3: Cross multiply
    7,412.34x = 11,120.67 × 3,027.54
  4. Step 4: Simplify right side
    7,412.34x = 33,668,273.25
  5. Step 5: Solve for x
    x = 33,668,273.25/7,412.34
  6. Step 6: Final answer
    x = 4,542.19

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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.