Home / 7,705.68-11,553.66-4,245.36

Finding the Fourth Proportional to 7,705.68, 11,553.66 and 4,245.36

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Solution

The fourth proportional to 7,705.68, 11,553.66 and 4,245.36 is: 6,365.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,705.68 : 11,553.66 = 4,245.36 : x
  2. Step 2: Convert to fraction form
    7,705.68/11,553.66 = 4,245.36/x
  3. Step 3: Cross multiply
    7,705.68x = 11,553.66 × 4,245.36
  4. Step 4: Simplify right side
    7,705.68x = 49,049,446.02
  5. Step 5: Solve for x
    x = 49,049,446.02/7,705.68
  6. Step 6: Final answer
    x = 6,365.36

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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.