Home / 10,997.91-16,497.54-4,424.09

Finding the Fourth Proportional to 10,997.91, 16,497.54 and 4,424.09

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Solution

The fourth proportional to 10,997.91, 16,497.54 and 4,424.09 is: 6,636.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,997.91 : 16,497.54 = 4,424.09 : x
  2. Step 2: Convert to fraction form
    10,997.91/16,497.54 = 4,424.09/x
  3. Step 3: Cross multiply
    10,997.91x = 16,497.54 × 4,424.09
  4. Step 4: Simplify right side
    10,997.91x = 72,986,519.25
  5. Step 5: Solve for x
    x = 72,986,519.25/10,997.91
  6. Step 6: Final answer
    x = 6,636.40

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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.