Home / 11,026.86-16,542.13-5,109.68

Finding the Fourth Proportional to 11,026.86, 16,542.13 and 5,109.68

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Solution

The fourth proportional to 11,026.86, 16,542.13 and 5,109.68 is: 7,665.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,026.86 : 16,542.13 = 5,109.68 : x
  2. Step 2: Convert to fraction form
    11,026.86/16,542.13 = 5,109.68/x
  3. Step 3: Cross multiply
    11,026.86x = 16,542.13 × 5,109.68
  4. Step 4: Simplify right side
    11,026.86x = 84,524,908.11
  5. Step 5: Solve for x
    x = 84,524,908.11/11,026.86
  6. Step 6: Final answer
    x = 7,665.37

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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.