Home / 7,326.72-10,112.40-6,736.32

Finding the Fourth Proportional to 7,326.72, 10,112.40 and 6,736.32

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Solution

The fourth proportional to 7,326.72, 10,112.40 and 6,736.32 is: 9,297.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326.72 : 10,112.40 = 6,736.32 : x
  2. Step 2: Convert to fraction form
    7,326.72/10,112.40 = 6,736.32/x
  3. Step 3: Cross multiply
    7,326.72x = 10,112.40 × 6,736.32
  4. Step 4: Simplify right side
    7,326.72x = 68,120,362.37
  5. Step 5: Solve for x
    x = 68,120,362.37/7,326.72
  6. Step 6: Final answer
    x = 9,297.53

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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.