Home / 8,546.64-12,821.51-2,623.40

Finding the Fourth Proportional to 8,546.64, 12,821.51 and 2,623.40

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Solution

The fourth proportional to 8,546.64, 12,821.51 and 2,623.40 is: 3,935.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,546.64 : 12,821.51 = 2,623.40 : x
  2. Step 2: Convert to fraction form
    8,546.64/12,821.51 = 2,623.40/x
  3. Step 3: Cross multiply
    8,546.64x = 12,821.51 × 2,623.40
  4. Step 4: Simplify right side
    8,546.64x = 33,635,949.33
  5. Step 5: Solve for x
    x = 33,635,949.33/8,546.64
  6. Step 6: Final answer
    x = 3,935.58

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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.