Home / 12,006.36-17,992.80-6,150.60

Finding the Fourth Proportional to 12,006.36, 17,992.80 and 6,150.60

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Solution

The fourth proportional to 12,006.36, 17,992.80 and 6,150.60 is: 9,217.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,006.36 : 17,992.80 = 6,150.60 : x
  2. Step 2: Convert to fraction form
    12,006.36/17,992.80 = 6,150.60/x
  3. Step 3: Cross multiply
    12,006.36x = 17,992.80 × 6,150.60
  4. Step 4: Simplify right side
    12,006.36x = 110,666,515.68
  5. Step 5: Solve for x
    x = 110,666,515.68/12,006.36
  6. Step 6: Final answer
    x = 9,217.32

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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.