Home / 11,291.72-16,938.06-3,500.36

Finding the Fourth Proportional to 11,291.72, 16,938.06 and 3,500.36

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Solution

The fourth proportional to 11,291.72, 16,938.06 and 3,500.36 is: 5,250.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,291.72 : 16,938.06 = 3,500.36 : x
  2. Step 2: Convert to fraction form
    11,291.72/16,938.06 = 3,500.36/x
  3. Step 3: Cross multiply
    11,291.72x = 16,938.06 × 3,500.36
  4. Step 4: Simplify right side
    11,291.72x = 59,289,307.70
  5. Step 5: Solve for x
    x = 59,289,307.70/11,291.72
  6. Step 6: Final answer
    x = 5,250.69

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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.