Home / 10,951.62-16,428.33-4,374.21

Finding the Fourth Proportional to 10,951.62, 16,428.33 and 4,374.21

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Solution

The fourth proportional to 10,951.62, 16,428.33 and 4,374.21 is: 6,561.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,951.62 : 16,428.33 = 4,374.21 : x
  2. Step 2: Convert to fraction form
    10,951.62/16,428.33 = 4,374.21/x
  3. Step 3: Cross multiply
    10,951.62x = 16,428.33 × 4,374.21
  4. Step 4: Simplify right side
    10,951.62x = 71,860,965.37
  5. Step 5: Solve for x
    x = 71,860,965.37/10,951.62
  6. Step 6: Final answer
    x = 6,561.67

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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.