Home / 10,495.85-15,743.70-3,099.67

Finding the Fourth Proportional to 10,495.85, 15,743.70 and 3,099.67

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Solution

The fourth proportional to 10,495.85, 15,743.70 and 3,099.67 is: 4,649.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,495.85 : 15,743.70 = 3,099.67 : x
  2. Step 2: Convert to fraction form
    10,495.85/15,743.70 = 3,099.67/x
  3. Step 3: Cross multiply
    10,495.85x = 15,743.70 × 3,099.67
  4. Step 4: Simplify right side
    10,495.85x = 48,800,235.22
  5. Step 5: Solve for x
    x = 48,800,235.22/10,495.85
  6. Step 6: Final answer
    x = 4,649.48

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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.