Home / 7,173.18-9,900.36-5,193

Finding the Fourth Proportional to 7,173.18, 9,900.36 and 5,193

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Solution

The fourth proportional to 7,173.18, 9,900.36 and 5,193 is: 7,167.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,173.18 : 9,900.36 = 5,193 : x
  2. Step 2: Convert to fraction form
    7,173.18/9,900.36 = 5,193/x
  3. Step 3: Cross multiply
    7,173.18x = 9,900.36 × 5,193
  4. Step 4: Simplify right side
    7,173.18x = 51,412,569.48
  5. Step 5: Solve for x
    x = 51,412,569.48/7,173.18
  6. Step 6: Final answer
    x = 7,167.33

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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.