Home / 12,847.19-19,270.58-4,082.00

Finding the Fourth Proportional to 12,847.19, 19,270.58 and 4,082.00

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Solution

The fourth proportional to 12,847.19, 19,270.58 and 4,082.00 is: 6,122.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,847.19 : 19,270.58 = 4,082.00 : x
  2. Step 2: Convert to fraction form
    12,847.19/19,270.58 = 4,082.00/x
  3. Step 3: Cross multiply
    12,847.19x = 19,270.58 × 4,082.00
  4. Step 4: Simplify right side
    12,847.19x = 78,662,390.80
  5. Step 5: Solve for x
    x = 78,662,390.80/12,847.19
  6. Step 6: Final answer
    x = 6,122.93

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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.