Home / 7,976.49-11,007.46-4,440.09

Finding the Fourth Proportional to 7,976.49, 11,007.46 and 4,440.09

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Solution

The fourth proportional to 7,976.49, 11,007.46 and 4,440.09 is: 6,127.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.49 : 11,007.46 = 4,440.09 : x
  2. Step 2: Convert to fraction form
    7,976.49/11,007.46 = 4,440.09/x
  3. Step 3: Cross multiply
    7,976.49x = 11,007.46 × 4,440.09
  4. Step 4: Simplify right side
    7,976.49x = 48,874,113.07
  5. Step 5: Solve for x
    x = 48,874,113.07/7,976.49
  6. Step 6: Final answer
    x = 6,127.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.