Home / 9,022.45-13,533.78-2,782.41

Finding the Fourth Proportional to 9,022.45, 13,533.78 and 2,782.41

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Solution

The fourth proportional to 9,022.45, 13,533.78 and 2,782.41 is: 4,173.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,022.45 : 13,533.78 = 2,782.41 : x
  2. Step 2: Convert to fraction form
    9,022.45/13,533.78 = 2,782.41/x
  3. Step 3: Cross multiply
    9,022.45x = 13,533.78 × 2,782.41
  4. Step 4: Simplify right side
    9,022.45x = 37,656,524.81
  5. Step 5: Solve for x
    x = 37,656,524.81/9,022.45
  6. Step 6: Final answer
    x = 4,173.65

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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.