Home / 8,348.06-11,520.73-4,622.06

Finding the Fourth Proportional to 8,348.06, 11,520.73 and 4,622.06

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Solution

The fourth proportional to 8,348.06, 11,520.73 and 4,622.06 is: 6,378.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348.06 : 11,520.73 = 4,622.06 : x
  2. Step 2: Convert to fraction form
    8,348.06/11,520.73 = 4,622.06/x
  3. Step 3: Cross multiply
    8,348.06x = 11,520.73 × 4,622.06
  4. Step 4: Simplify right side
    8,348.06x = 53,249,539.88
  5. Step 5: Solve for x
    x = 53,249,539.88/8,348.06
  6. Step 6: Final answer
    x = 6,378.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.