Home / 12,006.92-18,003.45-5,758.43

Finding the Fourth Proportional to 12,006.92, 18,003.45 and 5,758.43

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Solution

The fourth proportional to 12,006.92, 18,003.45 and 5,758.43 is: 8,634.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,006.92 : 18,003.45 = 5,758.43 : x
  2. Step 2: Convert to fraction form
    12,006.92/18,003.45 = 5,758.43/x
  3. Step 3: Cross multiply
    12,006.92x = 18,003.45 × 5,758.43
  4. Step 4: Simplify right side
    12,006.92x = 103,671,606.58
  5. Step 5: Solve for x
    x = 103,671,606.58/12,006.92
  6. Step 6: Final answer
    x = 8,634.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.