Home / 11,102.10-16,652.59-4,081.57

Finding the Fourth Proportional to 11,102.10, 16,652.59 and 4,081.57

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Solution

The fourth proportional to 11,102.10, 16,652.59 and 4,081.57 is: 6,122.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,102.10 : 16,652.59 = 4,081.57 : x
  2. Step 2: Convert to fraction form
    11,102.10/16,652.59 = 4,081.57/x
  3. Step 3: Cross multiply
    11,102.10x = 16,652.59 × 4,081.57
  4. Step 4: Simplify right side
    11,102.10x = 67,968,753.60
  5. Step 5: Solve for x
    x = 67,968,753.60/11,102.10
  6. Step 6: Final answer
    x = 6,122.15

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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.