Home / 6,090.12-9,118.68-3,162.24

Finding the Fourth Proportional to 6,090.12, 9,118.68 and 3,162.24

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Solution

The fourth proportional to 6,090.12, 9,118.68 and 3,162.24 is: 4,734.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,090.12 : 9,118.68 = 3,162.24 : x
  2. Step 2: Convert to fraction form
    6,090.12/9,118.68 = 3,162.24/x
  3. Step 3: Cross multiply
    6,090.12x = 9,118.68 × 3,162.24
  4. Step 4: Simplify right side
    6,090.12x = 28,835,454.64
  5. Step 5: Solve for x
    x = 28,835,454.64/6,090.12
  6. Step 6: Final answer
    x = 4,734.79

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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.