Home / 11,743.56-16,205.69-6,438.27

Finding the Fourth Proportional to 11,743.56, 16,205.69 and 6,438.27

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Solution

The fourth proportional to 11,743.56, 16,205.69 and 6,438.27 is: 8,884.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,743.56 : 16,205.69 = 6,438.27 : x
  2. Step 2: Convert to fraction form
    11,743.56/16,205.69 = 6,438.27/x
  3. Step 3: Cross multiply
    11,743.56x = 16,205.69 × 6,438.27
  4. Step 4: Simplify right side
    11,743.56x = 104,336,607.76
  5. Step 5: Solve for x
    x = 104,336,607.76/11,743.56
  6. Step 6: Final answer
    x = 8,884.58

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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.