Home / 11,739.81-17,598.63-3,943.16

Finding the Fourth Proportional to 11,739.81, 17,598.63 and 3,943.16

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Solution

The fourth proportional to 11,739.81, 17,598.63 and 3,943.16 is: 5,911.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,739.81 : 17,598.63 = 3,943.16 : x
  2. Step 2: Convert to fraction form
    11,739.81/17,598.63 = 3,943.16/x
  3. Step 3: Cross multiply
    11,739.81x = 17,598.63 × 3,943.16
  4. Step 4: Simplify right side
    11,739.81x = 69,394,213.87
  5. Step 5: Solve for x
    x = 69,394,213.87/11,739.81
  6. Step 6: Final answer
    x = 5,911.02

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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.