Home / 12,107.43-16,704.09-7,567.02

Finding the Fourth Proportional to 12,107.43, 16,704.09 and 7,567.02

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Solution

The fourth proportional to 12,107.43, 16,704.09 and 7,567.02 is: 10,439.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,107.43 : 16,704.09 = 7,567.02 : x
  2. Step 2: Convert to fraction form
    12,107.43/16,704.09 = 7,567.02/x
  3. Step 3: Cross multiply
    12,107.43x = 16,704.09 × 7,567.02
  4. Step 4: Simplify right side
    12,107.43x = 126,400,183.11
  5. Step 5: Solve for x
    x = 126,400,183.11/12,107.43
  6. Step 6: Final answer
    x = 10,439.89

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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.