Home / 11,749.84-17,623.08-3,427.64

Finding the Fourth Proportional to 11,749.84, 17,623.08 and 3,427.64

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Solution

The fourth proportional to 11,749.84, 17,623.08 and 3,427.64 is: 5,140.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,749.84 : 17,623.08 = 3,427.64 : x
  2. Step 2: Convert to fraction form
    11,749.84/17,623.08 = 3,427.64/x
  3. Step 3: Cross multiply
    11,749.84x = 17,623.08 × 3,427.64
  4. Step 4: Simplify right side
    11,749.84x = 60,405,573.93
  5. Step 5: Solve for x
    x = 60,405,573.93/11,749.84
  6. Step 6: Final answer
    x = 5,140.97

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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.