Home / 8,664.21-12,997.14-2,424.23

Finding the Fourth Proportional to 8,664.21, 12,997.14 and 2,424.23

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Solution

The fourth proportional to 8,664.21, 12,997.14 and 2,424.23 is: 3,636.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664.21 : 12,997.14 = 2,424.23 : x
  2. Step 2: Convert to fraction form
    8,664.21/12,997.14 = 2,424.23/x
  3. Step 3: Cross multiply
    8,664.21x = 12,997.14 × 2,424.23
  4. Step 4: Simplify right side
    8,664.21x = 31,508,056.70
  5. Step 5: Solve for x
    x = 31,508,056.70/8,664.21
  6. Step 6: Final answer
    x = 3,636.58

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1.5x scale

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.