Home / 11,914.08-16,440.64-6,608.56

Finding the Fourth Proportional to 11,914.08, 16,440.64 and 6,608.56

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Solution

The fourth proportional to 11,914.08, 16,440.64 and 6,608.56 is: 9,119.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,914.08 : 16,440.64 = 6,608.56 : x
  2. Step 2: Convert to fraction form
    11,914.08/16,440.64 = 6,608.56/x
  3. Step 3: Cross multiply
    11,914.08x = 16,440.64 × 6,608.56
  4. Step 4: Simplify right side
    11,914.08x = 108,648,955.88
  5. Step 5: Solve for x
    x = 108,648,955.88/11,914.08
  6. Step 6: Final answer
    x = 9,119.37

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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.