Home / 10,772.72-16,157.18-4,927.94

Finding the Fourth Proportional to 10,772.72, 16,157.18 and 4,927.94

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Solution

The fourth proportional to 10,772.72, 16,157.18 and 4,927.94 is: 7,391.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,772.72 : 16,157.18 = 4,927.94 : x
  2. Step 2: Convert to fraction form
    10,772.72/16,157.18 = 4,927.94/x
  3. Step 3: Cross multiply
    10,772.72x = 16,157.18 × 4,927.94
  4. Step 4: Simplify right side
    10,772.72x = 79,621,508.18
  5. Step 5: Solve for x
    x = 79,621,508.18/10,772.72
  6. Step 6: Final answer
    x = 7,391.03

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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.