Home / 11,640.58-17,449.59-4,618.28

Finding the Fourth Proportional to 11,640.58, 17,449.59 and 4,618.28

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Solution

The fourth proportional to 11,640.58, 17,449.59 and 4,618.28 is: 6,922.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,640.58 : 17,449.59 = 4,618.28 : x
  2. Step 2: Convert to fraction form
    11,640.58/17,449.59 = 4,618.28/x
  3. Step 3: Cross multiply
    11,640.58x = 17,449.59 × 4,618.28
  4. Step 4: Simplify right side
    11,640.58x = 80,587,153.45
  5. Step 5: Solve for x
    x = 80,587,153.45/11,640.58
  6. Step 6: Final answer
    x = 6,922.95

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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.