Home / 11,157.29-16,730.74-4,137.02

Finding the Fourth Proportional to 11,157.29, 16,730.74 and 4,137.02

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Solution

The fourth proportional to 11,157.29, 16,730.74 and 4,137.02 is: 6,203.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157.29 : 16,730.74 = 4,137.02 : x
  2. Step 2: Convert to fraction form
    11,157.29/16,730.74 = 4,137.02/x
  3. Step 3: Cross multiply
    11,157.29x = 16,730.74 × 4,137.02
  4. Step 4: Simplify right side
    11,157.29x = 69,215,405.99
  5. Step 5: Solve for x
    x = 69,215,405.99/11,157.29
  6. Step 6: Final answer
    x = 6,203.60

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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.