Home / 7,709.22-11,562.48-3,325.50

Finding the Fourth Proportional to 7,709.22, 11,562.48 and 3,325.50

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Solution

The fourth proportional to 7,709.22, 11,562.48 and 3,325.50 is: 4,987.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,709.22 : 11,562.48 = 3,325.50 : x
  2. Step 2: Convert to fraction form
    7,709.22/11,562.48 = 3,325.50/x
  3. Step 3: Cross multiply
    7,709.22x = 11,562.48 × 3,325.50
  4. Step 4: Simplify right side
    7,709.22x = 38,451,027.24
  5. Step 5: Solve for x
    x = 38,451,027.24/7,709.22
  6. Step 6: Final answer
    x = 4,987.67

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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.