Home / 11,361.54-15,678.96-6,326.22

Finding the Fourth Proportional to 11,361.54, 15,678.96 and 6,326.22

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Solution

The fourth proportional to 11,361.54, 15,678.96 and 6,326.22 is: 8,730.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,361.54 : 15,678.96 = 6,326.22 : x
  2. Step 2: Convert to fraction form
    11,361.54/15,678.96 = 6,326.22/x
  3. Step 3: Cross multiply
    11,361.54x = 15,678.96 × 6,326.22
  4. Step 4: Simplify right side
    11,361.54x = 99,188,550.33
  5. Step 5: Solve for x
    x = 99,188,550.33/11,361.54
  6. Step 6: Final answer
    x = 8,730.20

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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.