Home / 11,917.60-16,446.36-6,612.52

Finding the Fourth Proportional to 11,917.60, 16,446.36 and 6,612.52

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Solution

The fourth proportional to 11,917.60, 16,446.36 and 6,612.52 is: 9,125.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,917.60 : 16,446.36 = 6,612.52 : x
  2. Step 2: Convert to fraction form
    11,917.60/16,446.36 = 6,612.52/x
  3. Step 3: Cross multiply
    11,917.60x = 16,446.36 × 6,612.52
  4. Step 4: Simplify right side
    11,917.60x = 108,751,884.43
  5. Step 5: Solve for x
    x = 108,751,884.43/11,917.60
  6. Step 6: Final answer
    x = 9,125.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.