Home / 9,481.32-14,220.54-3,640.68

Finding the Fourth Proportional to 9,481.32, 14,220.54 and 3,640.68

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Solution

The fourth proportional to 9,481.32, 14,220.54 and 3,640.68 is: 5,460.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,481.32 : 14,220.54 = 3,640.68 : x
  2. Step 2: Convert to fraction form
    9,481.32/14,220.54 = 3,640.68/x
  3. Step 3: Cross multiply
    9,481.32x = 14,220.54 × 3,640.68
  4. Step 4: Simplify right side
    9,481.32x = 51,772,435.57
  5. Step 5: Solve for x
    x = 51,772,435.57/9,481.32
  6. Step 6: Final answer
    x = 5,460.47

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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.