Home / 7,756.49-11,636.78-4,057.73

Finding the Fourth Proportional to 7,756.49, 11,636.78 and 4,057.73

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Solution

The fourth proportional to 7,756.49, 11,636.78 and 4,057.73 is: 6,087.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756.49 : 11,636.78 = 4,057.73 : x
  2. Step 2: Convert to fraction form
    7,756.49/11,636.78 = 4,057.73/x
  3. Step 3: Cross multiply
    7,756.49x = 11,636.78 × 4,057.73
  4. Step 4: Simplify right side
    7,756.49x = 47,218,832.84
  5. Step 5: Solve for x
    x = 47,218,832.84/7,756.49
  6. Step 6: Final answer
    x = 6,087.66

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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.