Home / 11,798.78-17,704.31-4,783.97

Finding the Fourth Proportional to 11,798.78, 17,704.31 and 4,783.97

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Solution

The fourth proportional to 11,798.78, 17,704.31 and 4,783.97 is: 7,178.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,798.78 : 17,704.31 = 4,783.97 : x
  2. Step 2: Convert to fraction form
    11,798.78/17,704.31 = 4,783.97/x
  3. Step 3: Cross multiply
    11,798.78x = 17,704.31 × 4,783.97
  4. Step 4: Simplify right side
    11,798.78x = 84,696,863.99
  5. Step 5: Solve for x
    x = 84,696,863.99/11,798.78
  6. Step 6: Final answer
    x = 7,178.45

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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.