Home / 9,812.85-14,719.45-2,793.05

Finding the Fourth Proportional to 9,812.85, 14,719.45 and 2,793.05

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Solution

The fourth proportional to 9,812.85, 14,719.45 and 2,793.05 is: 4,189.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,812.85 : 14,719.45 = 2,793.05 : x
  2. Step 2: Convert to fraction form
    9,812.85/14,719.45 = 2,793.05/x
  3. Step 3: Cross multiply
    9,812.85x = 14,719.45 × 2,793.05
  4. Step 4: Simplify right side
    9,812.85x = 41,112,143.61
  5. Step 5: Solve for x
    x = 41,112,143.61/9,812.85
  6. Step 6: Final answer
    x = 4,189.62

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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.