Home / 6,238.22-9,356.41-2,078.36

Finding the Fourth Proportional to 6,238.22, 9,356.41 and 2,078.36

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Solution

The fourth proportional to 6,238.22, 9,356.41 and 2,078.36 is: 3,117.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,238.22 : 9,356.41 = 2,078.36 : x
  2. Step 2: Convert to fraction form
    6,238.22/9,356.41 = 2,078.36/x
  3. Step 3: Cross multiply
    6,238.22x = 9,356.41 × 2,078.36
  4. Step 4: Simplify right side
    6,238.22x = 19,445,979.19
  5. Step 5: Solve for x
    x = 19,445,979.19/6,238.22
  6. Step 6: Final answer
    x = 3,117.23

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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.