Home / 8,976.21-13,453.77-4,040.07

Finding the Fourth Proportional to 8,976.21, 13,453.77 and 4,040.07

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Solution

The fourth proportional to 8,976.21, 13,453.77 and 4,040.07 is: 6,055.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,976.21 : 13,453.77 = 4,040.07 : x
  2. Step 2: Convert to fraction form
    8,976.21/13,453.77 = 4,040.07/x
  3. Step 3: Cross multiply
    8,976.21x = 13,453.77 × 4,040.07
  4. Step 4: Simplify right side
    8,976.21x = 54,354,172.56
  5. Step 5: Solve for x
    x = 54,354,172.56/8,976.21
  6. Step 6: Final answer
    x = 6,055.36

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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.