Home / 12,091.23-16,687.62-6,786.45

Finding the Fourth Proportional to 12,091.23, 16,687.62 and 6,786.45

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Solution

The fourth proportional to 12,091.23, 16,687.62 and 6,786.45 is: 9,366.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,091.23 : 16,687.62 = 6,786.45 : x
  2. Step 2: Convert to fraction form
    12,091.23/16,687.62 = 6,786.45/x
  3. Step 3: Cross multiply
    12,091.23x = 16,687.62 × 6,786.45
  4. Step 4: Simplify right side
    12,091.23x = 113,249,698.75
  5. Step 5: Solve for x
    x = 113,249,698.75/12,091.23
  6. Step 6: Final answer
    x = 9,366.27

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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.