Home / 11,993.34-16,542.21-8,007.51

Finding the Fourth Proportional to 11,993.34, 16,542.21 and 8,007.51

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Solution

The fourth proportional to 11,993.34, 16,542.21 and 8,007.51 is: 11,044.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,993.34 : 16,542.21 = 8,007.51 : x
  2. Step 2: Convert to fraction form
    11,993.34/16,542.21 = 8,007.51/x
  3. Step 3: Cross multiply
    11,993.34x = 16,542.21 × 8,007.51
  4. Step 4: Simplify right side
    11,993.34x = 132,461,912.00
  5. Step 5: Solve for x
    x = 132,461,912.00/11,993.34
  6. Step 6: Final answer
    x = 11,044.62

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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.