Home / 11,447.66-17,169.84-4,430.99

Finding the Fourth Proportional to 11,447.66, 17,169.84 and 4,430.99

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Solution

The fourth proportional to 11,447.66, 17,169.84 and 4,430.99 is: 6,645.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,447.66 : 17,169.84 = 4,430.99 : x
  2. Step 2: Convert to fraction form
    11,447.66/17,169.84 = 4,430.99/x
  3. Step 3: Cross multiply
    11,447.66x = 17,169.84 × 4,430.99
  4. Step 4: Simplify right side
    11,447.66x = 76,079,335.69
  5. Step 5: Solve for x
    x = 76,079,335.69/11,447.66
  6. Step 6: Final answer
    x = 6,645.84

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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.