Home / 8,468.20-12,698.61-2,623.45

Finding the Fourth Proportional to 8,468.20, 12,698.61 and 2,623.45

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Solution

The fourth proportional to 8,468.20, 12,698.61 and 2,623.45 is: 3,934.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,468.20 : 12,698.61 = 2,623.45 : x
  2. Step 2: Convert to fraction form
    8,468.20/12,698.61 = 2,623.45/x
  3. Step 3: Cross multiply
    8,468.20x = 12,698.61 × 2,623.45
  4. Step 4: Simplify right side
    8,468.20x = 33,314,168.40
  5. Step 5: Solve for x
    x = 33,314,168.40/8,468.20
  6. Step 6: Final answer
    x = 3,934.03

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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.