Home / 11,109.62-16,664.41-4,449.12

Finding the Fourth Proportional to 11,109.62, 16,664.41 and 4,449.12

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Solution

The fourth proportional to 11,109.62, 16,664.41 and 4,449.12 is: 6,673.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,109.62 : 16,664.41 = 4,449.12 : x
  2. Step 2: Convert to fraction form
    11,109.62/16,664.41 = 4,449.12/x
  3. Step 3: Cross multiply
    11,109.62x = 16,664.41 × 4,449.12
  4. Step 4: Simplify right side
    11,109.62x = 74,141,959.82
  5. Step 5: Solve for x
    x = 74,141,959.82/11,109.62
  6. Step 6: Final answer
    x = 6,673.67

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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.