Home / 6,670.14-9,205.44-3,686.18

Finding the Fourth Proportional to 6,670.14, 9,205.44 and 3,686.18

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Solution

The fourth proportional to 6,670.14, 9,205.44 and 3,686.18 is: 5,087.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,670.14 : 9,205.44 = 3,686.18 : x
  2. Step 2: Convert to fraction form
    6,670.14/9,205.44 = 3,686.18/x
  3. Step 3: Cross multiply
    6,670.14x = 9,205.44 × 3,686.18
  4. Step 4: Simplify right side
    6,670.14x = 33,932,844.36
  5. Step 5: Solve for x
    x = 33,932,844.36/6,670.14
  6. Step 6: Final answer
    x = 5,087.28

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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.