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Finding the Fourth Proportional to 8,848.54, 12,218.04 and 6,855.64

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Solution

The fourth proportional to 8,848.54, 12,218.04 and 6,855.64 is: 9,466.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,848.54 : 12,218.04 = 6,855.64 : x
  2. Step 2: Convert to fraction form
    8,848.54/12,218.04 = 6,855.64/x
  3. Step 3: Cross multiply
    8,848.54x = 12,218.04 × 6,855.64
  4. Step 4: Simplify right side
    8,848.54x = 83,762,453.20
  5. Step 5: Solve for x
    x = 83,762,453.20/8,848.54
  6. Step 6: Final answer
    x = 9,466.24

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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.