Home / 10,992.29-16,471.14-8,499.56

Finding the Fourth Proportional to 10,992.29, 16,471.14 and 8,499.56

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Solution

The fourth proportional to 10,992.29, 16,471.14 and 8,499.56 is: 12,735.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992.29 : 16,471.14 = 8,499.56 : x
  2. Step 2: Convert to fraction form
    10,992.29/16,471.14 = 8,499.56/x
  3. Step 3: Cross multiply
    10,992.29x = 16,471.14 × 8,499.56
  4. Step 4: Simplify right side
    10,992.29x = 139,997,442.70
  5. Step 5: Solve for x
    x = 139,997,442.70/10,992.29
  6. Step 6: Final answer
    x = 12,735.97

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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.