Home / 11,452.82-17,185.72-4,878.32

Finding the Fourth Proportional to 11,452.82, 17,185.72 and 4,878.32

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Solution

The fourth proportional to 11,452.82, 17,185.72 and 4,878.32 is: 7,320.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,452.82 : 17,185.72 = 4,878.32 : x
  2. Step 2: Convert to fraction form
    11,452.82/17,185.72 = 4,878.32/x
  3. Step 3: Cross multiply
    11,452.82x = 17,185.72 × 4,878.32
  4. Step 4: Simplify right side
    11,452.82x = 83,837,441.59
  5. Step 5: Solve for x
    x = 83,837,441.59/11,452.82
  6. Step 6: Final answer
    x = 7,320.24

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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.