Home / 11,198.86-15,455.81-6,483.17

Finding the Fourth Proportional to 11,198.86, 15,455.81 and 6,483.17

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Solution

The fourth proportional to 11,198.86, 15,455.81 and 6,483.17 is: 8,947.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,198.86 : 15,455.81 = 6,483.17 : x
  2. Step 2: Convert to fraction form
    11,198.86/15,455.81 = 6,483.17/x
  3. Step 3: Cross multiply
    11,198.86x = 15,455.81 × 6,483.17
  4. Step 4: Simplify right side
    11,198.86x = 100,202,698.57
  5. Step 5: Solve for x
    x = 100,202,698.57/11,198.86
  6. Step 6: Final answer
    x = 8,947.58

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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.