Home / 11,129.37-16,684.35-4,551.36

Finding the Fourth Proportional to 11,129.37, 16,684.35 and 4,551.36

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Solution

The fourth proportional to 11,129.37, 16,684.35 and 4,551.36 is: 6,823.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129.37 : 16,684.35 = 4,551.36 : x
  2. Step 2: Convert to fraction form
    11,129.37/16,684.35 = 4,551.36/x
  3. Step 3: Cross multiply
    11,129.37x = 16,684.35 × 4,551.36
  4. Step 4: Simplify right side
    11,129.37x = 75,936,483.22
  5. Step 5: Solve for x
    x = 75,936,483.22/11,129.37
  6. Step 6: Final answer
    x = 6,823.07

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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.