Home / 7,849.82-11,772.36-3,168.32

Finding the Fourth Proportional to 7,849.82, 11,772.36 and 3,168.32

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Solution

The fourth proportional to 7,849.82, 11,772.36 and 3,168.32 is: 4,751.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,849.82 : 11,772.36 = 3,168.32 : x
  2. Step 2: Convert to fraction form
    7,849.82/11,772.36 = 3,168.32/x
  3. Step 3: Cross multiply
    7,849.82x = 11,772.36 × 3,168.32
  4. Step 4: Simplify right side
    7,849.82x = 37,298,603.64
  5. Step 5: Solve for x
    x = 37,298,603.64/7,849.82
  6. Step 6: Final answer
    x = 4,751.52

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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.