Home / 10,235.22-15,355.55-4,975.48

Finding the Fourth Proportional to 10,235.22, 15,355.55 and 4,975.48

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Solution

The fourth proportional to 10,235.22, 15,355.55 and 4,975.48 is: 7,464.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,235.22 : 15,355.55 = 4,975.48 : x
  2. Step 2: Convert to fraction form
    10,235.22/15,355.55 = 4,975.48/x
  3. Step 3: Cross multiply
    10,235.22x = 15,355.55 × 4,975.48
  4. Step 4: Simplify right side
    10,235.22x = 76,401,231.91
  5. Step 5: Solve for x
    x = 76,401,231.91/10,235.22
  6. Step 6: Final answer
    x = 7,464.54

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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.