Home / 11,913.76-16,440.87-6,608.44

Finding the Fourth Proportional to 11,913.76, 16,440.87 and 6,608.44

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Solution

The fourth proportional to 11,913.76, 16,440.87 and 6,608.44 is: 9,119.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,913.76 : 16,440.87 = 6,608.44 : x
  2. Step 2: Convert to fraction form
    11,913.76/16,440.87 = 6,608.44/x
  3. Step 3: Cross multiply
    11,913.76x = 16,440.87 × 6,608.44
  4. Step 4: Simplify right side
    11,913.76x = 108,648,502.94
  5. Step 5: Solve for x
    x = 108,648,502.94/11,913.76
  6. Step 6: Final answer
    x = 9,119.58

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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.