Home / 11,191.77-16,788.32-4,615.68

Finding the Fourth Proportional to 11,191.77, 16,788.32 and 4,615.68

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Solution

The fourth proportional to 11,191.77, 16,788.32 and 4,615.68 is: 6,923.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191.77 : 16,788.32 = 4,615.68 : x
  2. Step 2: Convert to fraction form
    11,191.77/16,788.32 = 4,615.68/x
  3. Step 3: Cross multiply
    11,191.77x = 16,788.32 × 4,615.68
  4. Step 4: Simplify right side
    11,191.77x = 77,489,489.78
  5. Step 5: Solve for x
    x = 77,489,489.78/11,191.77
  6. Step 6: Final answer
    x = 6,923.79

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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.