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Finding the Fourth Proportional to 8,846.96, 12,207.12 and 5,308.88

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Solution

The fourth proportional to 8,846.96, 12,207.12 and 5,308.88 is: 7,325.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,846.96 : 12,207.12 = 5,308.88 : x
  2. Step 2: Convert to fraction form
    8,846.96/12,207.12 = 5,308.88/x
  3. Step 3: Cross multiply
    8,846.96x = 12,207.12 × 5,308.88
  4. Step 4: Simplify right side
    8,846.96x = 64,806,135.23
  5. Step 5: Solve for x
    x = 64,806,135.23/8,846.96
  6. Step 6: Final answer
    x = 7,325.24

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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.