Home / 7,430.33-11,137.85-3,269.57

Finding the Fourth Proportional to 7,430.33, 11,137.85 and 3,269.57

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Solution

The fourth proportional to 7,430.33, 11,137.85 and 3,269.57 is: 4,900.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.33 : 11,137.85 = 3,269.57 : x
  2. Step 2: Convert to fraction form
    7,430.33/11,137.85 = 3,269.57/x
  3. Step 3: Cross multiply
    7,430.33x = 11,137.85 × 3,269.57
  4. Step 4: Simplify right side
    7,430.33x = 36,415,938.84
  5. Step 5: Solve for x
    x = 36,415,938.84/7,430.33
  6. Step 6: Final answer
    x = 4,900.98

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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.