Home / 7,454.76-11,183.70-3,072.18

Finding the Fourth Proportional to 7,454.76, 11,183.70 and 3,072.18

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Solution

The fourth proportional to 7,454.76, 11,183.70 and 3,072.18 is: 4,608.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.76 : 11,183.70 = 3,072.18 : x
  2. Step 2: Convert to fraction form
    7,454.76/11,183.70 = 3,072.18/x
  3. Step 3: Cross multiply
    7,454.76x = 11,183.70 × 3,072.18
  4. Step 4: Simplify right side
    7,454.76x = 34,358,339.47
  5. Step 5: Solve for x
    x = 34,358,339.47/7,454.76
  6. Step 6: Final answer
    x = 4,608.91

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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.