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Finding the Fourth Proportional to 11,483.42, 15,847.11 and 6,706.67

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Solution

The fourth proportional to 11,483.42, 15,847.11 and 6,706.67 is: 9,255.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,483.42 : 15,847.11 = 6,706.67 : x
  2. Step 2: Convert to fraction form
    11,483.42/15,847.11 = 6,706.67/x
  3. Step 3: Cross multiply
    11,483.42x = 15,847.11 × 6,706.67
  4. Step 4: Simplify right side
    11,483.42x = 106,281,257.99
  5. Step 5: Solve for x
    x = 106,281,257.99/11,483.42
  6. Step 6: Final answer
    x = 9,255.20

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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.