Home / 9,129.93-13,694.72-2,556.01

Finding the Fourth Proportional to 9,129.93, 13,694.72 and 2,556.01

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Solution

The fourth proportional to 9,129.93, 13,694.72 and 2,556.01 is: 3,833.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129.93 : 13,694.72 = 2,556.01 : x
  2. Step 2: Convert to fraction form
    9,129.93/13,694.72 = 2,556.01/x
  3. Step 3: Cross multiply
    9,129.93x = 13,694.72 × 2,556.01
  4. Step 4: Simplify right side
    9,129.93x = 35,003,841.27
  5. Step 5: Solve for x
    x = 35,003,841.27/9,129.93
  6. Step 6: Final answer
    x = 3,833.97

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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.