Home / 8,664.45-12,994.35-2,424.06

Finding the Fourth Proportional to 8,664.45, 12,994.35 and 2,424.06

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Solution

The fourth proportional to 8,664.45, 12,994.35 and 2,424.06 is: 3,635.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664.45 : 12,994.35 = 2,424.06 : x
  2. Step 2: Convert to fraction form
    8,664.45/12,994.35 = 2,424.06/x
  3. Step 3: Cross multiply
    8,664.45x = 12,994.35 × 2,424.06
  4. Step 4: Simplify right side
    8,664.45x = 31,499,084.06
  5. Step 5: Solve for x
    x = 31,499,084.06/8,664.45
  6. Step 6: Final answer
    x = 3,635.44

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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.