Home / 11,117.06-16,682.15-4,102.02

Finding the Fourth Proportional to 11,117.06, 16,682.15 and 4,102.02

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Solution

The fourth proportional to 11,117.06, 16,682.15 and 4,102.02 is: 6,155.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117.06 : 16,682.15 = 4,102.02 : x
  2. Step 2: Convert to fraction form
    11,117.06/16,682.15 = 4,102.02/x
  3. Step 3: Cross multiply
    11,117.06x = 16,682.15 × 4,102.02
  4. Step 4: Simplify right side
    11,117.06x = 68,430,512.94
  5. Step 5: Solve for x
    x = 68,430,512.94/11,117.06
  6. Step 6: Final answer
    x = 6,155.45

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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.