Home / 7,454.56-11,172.12-3,067.60

Finding the Fourth Proportional to 7,454.56, 11,172.12 and 3,067.60

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Solution

The fourth proportional to 7,454.56, 11,172.12 and 3,067.60 is: 4,597.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.56 : 11,172.12 = 3,067.60 : x
  2. Step 2: Convert to fraction form
    7,454.56/11,172.12 = 3,067.60/x
  3. Step 3: Cross multiply
    7,454.56x = 11,172.12 × 3,067.60
  4. Step 4: Simplify right side
    7,454.56x = 34,271,595.31
  5. Step 5: Solve for x
    x = 34,271,595.31/7,454.56
  6. Step 6: Final answer
    x = 4,597.40

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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.