Home / 11,656.92-16,086.58-6,621.14

Finding the Fourth Proportional to 11,656.92, 16,086.58 and 6,621.14

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Solution

The fourth proportional to 11,656.92, 16,086.58 and 6,621.14 is: 9,137.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,656.92 : 16,086.58 = 6,621.14 : x
  2. Step 2: Convert to fraction form
    11,656.92/16,086.58 = 6,621.14/x
  3. Step 3: Cross multiply
    11,656.92x = 16,086.58 × 6,621.14
  4. Step 4: Simplify right side
    11,656.92x = 106,511,498.30
  5. Step 5: Solve for x
    x = 106,511,498.30/11,656.92
  6. Step 6: Final answer
    x = 9,137.19

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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.