Home / 7,647.20-11,464.62-2,714.15

Finding the Fourth Proportional to 7,647.20, 11,464.62 and 2,714.15

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Solution

The fourth proportional to 7,647.20, 11,464.62 and 2,714.15 is: 4,069.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,647.20 : 11,464.62 = 2,714.15 : x
  2. Step 2: Convert to fraction form
    7,647.20/11,464.62 = 2,714.15/x
  3. Step 3: Cross multiply
    7,647.20x = 11,464.62 × 2,714.15
  4. Step 4: Simplify right side
    7,647.20x = 31,116,698.37
  5. Step 5: Solve for x
    x = 31,116,698.37/7,647.20
  6. Step 6: Final answer
    x = 4,069.03

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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.