Home / 11,880.48-17,811.24-5,637.36

Finding the Fourth Proportional to 11,880.48, 17,811.24 and 5,637.36

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Solution

The fourth proportional to 11,880.48, 17,811.24 and 5,637.36 is: 8,451.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,880.48 : 17,811.24 = 5,637.36 : x
  2. Step 2: Convert to fraction form
    11,880.48/17,811.24 = 5,637.36/x
  3. Step 3: Cross multiply
    11,880.48x = 17,811.24 × 5,637.36
  4. Step 4: Simplify right side
    11,880.48x = 100,408,371.93
  5. Step 5: Solve for x
    x = 100,408,371.93/11,880.48
  6. Step 6: Final answer
    x = 8,451.54

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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.