Home / 7,454.45-11,181.69-3,557.95

Finding the Fourth Proportional to 7,454.45, 11,181.69 and 3,557.95

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Solution

The fourth proportional to 7,454.45, 11,181.69 and 3,557.95 is: 5,336.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.45 : 11,181.69 = 3,557.95 : x
  2. Step 2: Convert to fraction form
    7,454.45/11,181.69 = 3,557.95/x
  3. Step 3: Cross multiply
    7,454.45x = 11,181.69 × 3,557.95
  4. Step 4: Simplify right side
    7,454.45x = 39,783,865.98
  5. Step 5: Solve for x
    x = 39,783,865.98/7,454.45
  6. Step 6: Final answer
    x = 5,336.93

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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.