Home / 7,778.04-11,665.84-2,846.53

Finding the Fourth Proportional to 7,778.04, 11,665.84 and 2,846.53

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Solution

The fourth proportional to 7,778.04, 11,665.84 and 2,846.53 is: 4,269.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,778.04 : 11,665.84 = 2,846.53 : x
  2. Step 2: Convert to fraction form
    7,778.04/11,665.84 = 2,846.53/x
  3. Step 3: Cross multiply
    7,778.04x = 11,665.84 × 2,846.53
  4. Step 4: Simplify right side
    7,778.04x = 33,207,163.54
  5. Step 5: Solve for x
    x = 33,207,163.54/7,778.04
  6. Step 6: Final answer
    x = 4,269.35

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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.