Home / 11,944.49-16,483.42-6,639.32

Finding the Fourth Proportional to 11,944.49, 16,483.42 and 6,639.32

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Solution

The fourth proportional to 11,944.49, 16,483.42 and 6,639.32 is: 9,162.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,944.49 : 16,483.42 = 6,639.32 : x
  2. Step 2: Convert to fraction form
    11,944.49/16,483.42 = 6,639.32/x
  3. Step 3: Cross multiply
    11,944.49x = 16,483.42 × 6,639.32
  4. Step 4: Simplify right side
    11,944.49x = 109,438,675.54
  5. Step 5: Solve for x
    x = 109,438,675.54/11,944.49
  6. Step 6: Final answer
    x = 9,162.27

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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.