Home / 11,853.29-17,783.27-5,190.38

Finding the Fourth Proportional to 11,853.29, 17,783.27 and 5,190.38

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Solution

The fourth proportional to 11,853.29, 17,783.27 and 5,190.38 is: 7,787.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,853.29 : 17,783.27 = 5,190.38 : x
  2. Step 2: Convert to fraction form
    11,853.29/17,783.27 = 5,190.38/x
  3. Step 3: Cross multiply
    11,853.29x = 17,783.27 × 5,190.38
  4. Step 4: Simplify right side
    11,853.29x = 92,301,928.94
  5. Step 5: Solve for x
    x = 92,301,928.94/11,853.29
  6. Step 6: Final answer
    x = 7,787.03

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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.