Home / 7,453.46-11,181.82-2,772.74

Finding the Fourth Proportional to 7,453.46, 11,181.82 and 2,772.74

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Solution

The fourth proportional to 7,453.46, 11,181.82 and 2,772.74 is: 4,159.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,453.46 : 11,181.82 = 2,772.74 : x
  2. Step 2: Convert to fraction form
    7,453.46/11,181.82 = 2,772.74/x
  3. Step 3: Cross multiply
    7,453.46x = 11,181.82 × 2,772.74
  4. Step 4: Simplify right side
    7,453.46x = 31,004,279.59
  5. Step 5: Solve for x
    x = 31,004,279.59/7,453.46
  6. Step 6: Final answer
    x = 4,159.72

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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.