Home / 11,944.73-16,483.91-6,639.55

Finding the Fourth Proportional to 11,944.73, 16,483.91 and 6,639.55

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Solution

The fourth proportional to 11,944.73, 16,483.91 and 6,639.55 is: 9,162.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,944.73 : 16,483.91 = 6,639.55 : x
  2. Step 2: Convert to fraction form
    11,944.73/16,483.91 = 6,639.55/x
  3. Step 3: Cross multiply
    11,944.73x = 16,483.91 × 6,639.55
  4. Step 4: Simplify right side
    11,944.73x = 109,445,629.02
  5. Step 5: Solve for x
    x = 109,445,629.02/11,944.73
  6. Step 6: Final answer
    x = 9,162.67

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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.