Home / 7,429.22-11,143.26-2,747.03

Finding the Fourth Proportional to 7,429.22, 11,143.26 and 2,747.03

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Solution

The fourth proportional to 7,429.22, 11,143.26 and 2,747.03 is: 4,120.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.22 : 11,143.26 = 2,747.03 : x
  2. Step 2: Convert to fraction form
    7,429.22/11,143.26 = 2,747.03/x
  3. Step 3: Cross multiply
    7,429.22x = 11,143.26 × 2,747.03
  4. Step 4: Simplify right side
    7,429.22x = 30,610,897.38
  5. Step 5: Solve for x
    x = 30,610,897.38/7,429.22
  6. Step 6: Final answer
    x = 4,120.34

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1.5x scale

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.