Home / 8,680.41-13,017.92-3,133.03

Finding the Fourth Proportional to 8,680.41, 13,017.92 and 3,133.03

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Solution

The fourth proportional to 8,680.41, 13,017.92 and 3,133.03 is: 4,698.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680.41 : 13,017.92 = 3,133.03 : x
  2. Step 2: Convert to fraction form
    8,680.41/13,017.92 = 3,133.03/x
  3. Step 3: Cross multiply
    8,680.41x = 13,017.92 × 3,133.03
  4. Step 4: Simplify right side
    8,680.41x = 40,785,533.90
  5. Step 5: Solve for x
    x = 40,785,533.90/8,680.41
  6. Step 6: Final answer
    x = 4,698.57

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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.