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Finding the Fourth Proportional to 8,852.48, 12,213.94 and 5,495.43

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Solution

The fourth proportional to 8,852.48, 12,213.94 and 5,495.43 is: 7,582.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,852.48 : 12,213.94 = 5,495.43 : x
  2. Step 2: Convert to fraction form
    8,852.48/12,213.94 = 5,495.43/x
  3. Step 3: Cross multiply
    8,852.48x = 12,213.94 × 5,495.43
  4. Step 4: Simplify right side
    8,852.48x = 67,120,852.29
  5. Step 5: Solve for x
    x = 67,120,852.29/8,852.48
  6. Step 6: Final answer
    x = 7,582.15

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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.