Home / 7,181.26-9,907.32-5,297.36

Finding the Fourth Proportional to 7,181.26, 9,907.32 and 5,297.36

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Solution

The fourth proportional to 7,181.26, 9,907.32 and 5,297.36 is: 7,308.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,181.26 : 9,907.32 = 5,297.36 : x
  2. Step 2: Convert to fraction form
    7,181.26/9,907.32 = 5,297.36/x
  3. Step 3: Cross multiply
    7,181.26x = 9,907.32 × 5,297.36
  4. Step 4: Simplify right side
    7,181.26x = 52,482,640.68
  5. Step 5: Solve for x
    x = 52,482,640.68/7,181.26
  6. Step 6: Final answer
    x = 7,308.28

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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.