Home / 11,846.78-17,768.55-3,528.08

Finding the Fourth Proportional to 11,846.78, 17,768.55 and 3,528.08

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Solution

The fourth proportional to 11,846.78, 17,768.55 and 3,528.08 is: 5,291.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,846.78 : 17,768.55 = 3,528.08 : x
  2. Step 2: Convert to fraction form
    11,846.78/17,768.55 = 3,528.08/x
  3. Step 3: Cross multiply
    11,846.78x = 17,768.55 × 3,528.08
  4. Step 4: Simplify right side
    11,846.78x = 62,688,865.88
  5. Step 5: Solve for x
    x = 62,688,865.88/11,846.78
  6. Step 6: Final answer
    x = 5,291.64

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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.