Home / 11,917.08-16,452.36-7,944.84

Finding the Fourth Proportional to 11,917.08, 16,452.36 and 7,944.84

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Solution

The fourth proportional to 11,917.08, 16,452.36 and 7,944.84 is: 10,968.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,917.08 : 16,452.36 = 7,944.84 : x
  2. Step 2: Convert to fraction form
    11,917.08/16,452.36 = 7,944.84/x
  3. Step 3: Cross multiply
    11,917.08x = 16,452.36 × 7,944.84
  4. Step 4: Simplify right side
    11,917.08x = 130,711,367.82
  5. Step 5: Solve for x
    x = 130,711,367.82/11,917.08
  6. Step 6: Final answer
    x = 10,968.41

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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.