Home / 11,157.30-16,735.98-4,578.87

Finding the Fourth Proportional to 11,157.30, 16,735.98 and 4,578.87

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Solution

The fourth proportional to 11,157.30, 16,735.98 and 4,578.87 is: 6,868.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157.30 : 16,735.98 = 4,578.87 : x
  2. Step 2: Convert to fraction form
    11,157.30/16,735.98 = 4,578.87/x
  3. Step 3: Cross multiply
    11,157.30x = 16,735.98 × 4,578.87
  4. Step 4: Simplify right side
    11,157.30x = 76,631,876.74
  5. Step 5: Solve for x
    x = 76,631,876.74/11,157.30
  6. Step 6: Final answer
    x = 6,868.32

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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.