Home / 8,247.10-12,371.73-2,698.60

Finding the Fourth Proportional to 8,247.10, 12,371.73 and 2,698.60

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Solution

The fourth proportional to 8,247.10, 12,371.73 and 2,698.60 is: 4,048.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.10 : 12,371.73 = 2,698.60 : x
  2. Step 2: Convert to fraction form
    8,247.10/12,371.73 = 2,698.60/x
  3. Step 3: Cross multiply
    8,247.10x = 12,371.73 × 2,698.60
  4. Step 4: Simplify right side
    8,247.10x = 33,386,350.58
  5. Step 5: Solve for x
    x = 33,386,350.58/8,247.10
  6. Step 6: Final answer
    x = 4,048.25

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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.