Home / 10,576.88-15,865.56-3,556.98

Finding the Fourth Proportional to 10,576.88, 15,865.56 and 3,556.98

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Solution

The fourth proportional to 10,576.88, 15,865.56 and 3,556.98 is: 5,335.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,576.88 : 15,865.56 = 3,556.98 : x
  2. Step 2: Convert to fraction form
    10,576.88/15,865.56 = 3,556.98/x
  3. Step 3: Cross multiply
    10,576.88x = 15,865.56 × 3,556.98
  4. Step 4: Simplify right side
    10,576.88x = 56,433,479.61
  5. Step 5: Solve for x
    x = 56,433,479.61/10,576.88
  6. Step 6: Final answer
    x = 5,335.55

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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.