Home / 6,814.12-10,223.34-5,172.52

Finding the Fourth Proportional to 6,814.12, 10,223.34 and 5,172.52

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Solution

The fourth proportional to 6,814.12, 10,223.34 and 5,172.52 is: 7,760.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,814.12 : 10,223.34 = 5,172.52 : x
  2. Step 2: Convert to fraction form
    6,814.12/10,223.34 = 5,172.52/x
  3. Step 3: Cross multiply
    6,814.12x = 10,223.34 × 5,172.52
  4. Step 4: Simplify right side
    6,814.12x = 52,880,430.62
  5. Step 5: Solve for x
    x = 52,880,430.62/6,814.12
  6. Step 6: Final answer
    x = 7,760.42

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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.