Home / 10,021.56-15,029.92-4,174.98

Finding the Fourth Proportional to 10,021.56, 15,029.92 and 4,174.98

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Solution

The fourth proportional to 10,021.56, 15,029.92 and 4,174.98 is: 6,261.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,021.56 : 15,029.92 = 4,174.98 : x
  2. Step 2: Convert to fraction form
    10,021.56/15,029.92 = 4,174.98/x
  3. Step 3: Cross multiply
    10,021.56x = 15,029.92 × 4,174.98
  4. Step 4: Simplify right side
    10,021.56x = 62,749,653.50
  5. Step 5: Solve for x
    x = 62,749,653.50/10,021.56
  6. Step 6: Final answer
    x = 6,261.46

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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.