Home / 11,660.74-16,091.40-6,355.44

Finding the Fourth Proportional to 11,660.74, 16,091.40 and 6,355.44

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Solution

The fourth proportional to 11,660.74, 16,091.40 and 6,355.44 is: 8,770.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,660.74 : 16,091.40 = 6,355.44 : x
  2. Step 2: Convert to fraction form
    11,660.74/16,091.40 = 6,355.44/x
  3. Step 3: Cross multiply
    11,660.74x = 16,091.40 × 6,355.44
  4. Step 4: Simplify right side
    11,660.74x = 102,267,927.22
  5. Step 5: Solve for x
    x = 102,267,927.22/11,660.74
  6. Step 6: Final answer
    x = 8,770.28

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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.