Home / 10,731.90-14,811.03-6,255.30

Finding the Fourth Proportional to 10,731.90, 14,811.03 and 6,255.30

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Solution

The fourth proportional to 10,731.90, 14,811.03 and 6,255.30 is: 8,632.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,731.90 : 14,811.03 = 6,255.30 : x
  2. Step 2: Convert to fraction form
    10,731.90/14,811.03 = 6,255.30/x
  3. Step 3: Cross multiply
    10,731.90x = 14,811.03 × 6,255.30
  4. Step 4: Simplify right side
    10,731.90x = 92,647,435.96
  5. Step 5: Solve for x
    x = 92,647,435.96/10,731.90
  6. Step 6: Final answer
    x = 8,632.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.