Home / 11,182.56-16,772.16-3,390.48

Finding the Fourth Proportional to 11,182.56, 16,772.16 and 3,390.48

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Solution

The fourth proportional to 11,182.56, 16,772.16 and 3,390.48 is: 5,085.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,182.56 : 16,772.16 = 3,390.48 : x
  2. Step 2: Convert to fraction form
    11,182.56/16,772.16 = 3,390.48/x
  3. Step 3: Cross multiply
    11,182.56x = 16,772.16 × 3,390.48
  4. Step 4: Simplify right side
    11,182.56x = 56,865,673.04
  5. Step 5: Solve for x
    x = 56,865,673.04/11,182.56
  6. Step 6: Final answer
    x = 5,085.21

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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.