Home / 7,474.56-11,208.96-3,090.96

Finding the Fourth Proportional to 7,474.56, 11,208.96 and 3,090.96

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Solution

The fourth proportional to 7,474.56, 11,208.96 and 3,090.96 is: 4,635.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.56 : 11,208.96 = 3,090.96 : x
  2. Step 2: Convert to fraction form
    7,474.56/11,208.96 = 3,090.96/x
  3. Step 3: Cross multiply
    7,474.56x = 11,208.96 × 3,090.96
  4. Step 4: Simplify right side
    7,474.56x = 34,646,447.00
  5. Step 5: Solve for x
    x = 34,646,447.00/7,474.56
  6. Step 6: Final answer
    x = 4,635.25

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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.