Home / 10,983.56-16,476.95-3,191.36

Finding the Fourth Proportional to 10,983.56, 16,476.95 and 3,191.36

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Solution

The fourth proportional to 10,983.56, 16,476.95 and 3,191.36 is: 4,787.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,983.56 : 16,476.95 = 3,191.36 : x
  2. Step 2: Convert to fraction form
    10,983.56/16,476.95 = 3,191.36/x
  3. Step 3: Cross multiply
    10,983.56x = 16,476.95 × 3,191.36
  4. Step 4: Simplify right side
    10,983.56x = 52,583,879.15
  5. Step 5: Solve for x
    x = 52,583,879.15/10,983.56
  6. Step 6: Final answer
    x = 4,787.51

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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.