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Finding the Fourth Proportional to 9,236.71, 12,746.41 and 8,493.67

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Solution

The fourth proportional to 9,236.71, 12,746.41 and 8,493.67 is: 11,721.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,236.71 : 12,746.41 = 8,493.67 : x
  2. Step 2: Convert to fraction form
    9,236.71/12,746.41 = 8,493.67/x
  3. Step 3: Cross multiply
    9,236.71x = 12,746.41 × 8,493.67
  4. Step 4: Simplify right side
    9,236.71x = 108,263,800.22
  5. Step 5: Solve for x
    x = 108,263,800.22/9,236.71
  6. Step 6: Final answer
    x = 11,721.03

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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.