Home / 12,016.06-16,579.44-8,623.78

Finding the Fourth Proportional to 12,016.06, 16,579.44 and 8,623.78

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Solution

The fourth proportional to 12,016.06, 16,579.44 and 8,623.78 is: 11,898.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,016.06 : 16,579.44 = 8,623.78 : x
  2. Step 2: Convert to fraction form
    12,016.06/16,579.44 = 8,623.78/x
  3. Step 3: Cross multiply
    12,016.06x = 16,579.44 × 8,623.78
  4. Step 4: Simplify right side
    12,016.06x = 142,977,443.08
  5. Step 5: Solve for x
    x = 142,977,443.08/12,016.06
  6. Step 6: Final answer
    x = 11,898.86

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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.