Home / 12,796.83-19,195.65-5,401.53

Finding the Fourth Proportional to 12,796.83, 19,195.65 and 5,401.53

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Solution

The fourth proportional to 12,796.83, 19,195.65 and 5,401.53 is: 8,102.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,796.83 : 19,195.65 = 5,401.53 : x
  2. Step 2: Convert to fraction form
    12,796.83/19,195.65 = 5,401.53/x
  3. Step 3: Cross multiply
    12,796.83x = 19,195.65 × 5,401.53
  4. Step 4: Simplify right side
    12,796.83x = 103,685,879.34
  5. Step 5: Solve for x
    x = 103,685,879.34/12,796.83
  6. Step 6: Final answer
    x = 8,102.47

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1.5x scale

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.