Home / 10,499.22-15,748.83-3,103.11

Finding the Fourth Proportional to 10,499.22, 15,748.83 and 3,103.11

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Solution

The fourth proportional to 10,499.22, 15,748.83 and 3,103.11 is: 4,654.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,499.22 : 15,748.83 = 3,103.11 : x
  2. Step 2: Convert to fraction form
    10,499.22/15,748.83 = 3,103.11/x
  3. Step 3: Cross multiply
    10,499.22x = 15,748.83 × 3,103.11
  4. Step 4: Simplify right side
    10,499.22x = 48,870,351.86
  5. Step 5: Solve for x
    x = 48,870,351.86/10,499.22
  6. Step 6: Final answer
    x = 4,654.67

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1.5x scale

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.