Home / 8,476.08-12,694.06-4,305.75

Finding the Fourth Proportional to 8,476.08, 12,694.06 and 4,305.75

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Solution

The fourth proportional to 8,476.08, 12,694.06 and 4,305.75 is: 6,448.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,476.08 : 12,694.06 = 4,305.75 : x
  2. Step 2: Convert to fraction form
    8,476.08/12,694.06 = 4,305.75/x
  3. Step 3: Cross multiply
    8,476.08x = 12,694.06 × 4,305.75
  4. Step 4: Simplify right side
    8,476.08x = 54,657,448.85
  5. Step 5: Solve for x
    x = 54,657,448.85/8,476.08
  6. Step 6: Final answer
    x = 6,448.43

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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.