Home / 10,992.57-16,489.62-4,418.76

Finding the Fourth Proportional to 10,992.57, 16,489.62 and 4,418.76

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Solution

The fourth proportional to 10,992.57, 16,489.62 and 4,418.76 is: 6,628.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992.57 : 16,489.62 = 4,418.76 : x
  2. Step 2: Convert to fraction form
    10,992.57/16,489.62 = 4,418.76/x
  3. Step 3: Cross multiply
    10,992.57x = 16,489.62 × 4,418.76
  4. Step 4: Simplify right side
    10,992.57x = 72,863,673.27
  5. Step 5: Solve for x
    x = 72,863,673.27/10,992.57
  6. Step 6: Final answer
    x = 6,628.45

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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.