Home / 6,680.14-9,218.65-3,696.07

Finding the Fourth Proportional to 6,680.14, 9,218.65 and 3,696.07

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Solution

The fourth proportional to 6,680.14, 9,218.65 and 3,696.07 is: 5,100.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,680.14 : 9,218.65 = 3,696.07 : x
  2. Step 2: Convert to fraction form
    6,680.14/9,218.65 = 3,696.07/x
  3. Step 3: Cross multiply
    6,680.14x = 9,218.65 × 3,696.07
  4. Step 4: Simplify right side
    6,680.14x = 34,072,775.71
  5. Step 5: Solve for x
    x = 34,072,775.71/6,680.14
  6. Step 6: Final answer
    x = 5,100.61

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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.