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Finding the Fourth Proportional to 10,848.60, 16,285.05 and 8,394.30

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Solution

The fourth proportional to 10,848.60, 16,285.05 and 8,394.30 is: 12,600.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,848.60 : 16,285.05 = 8,394.30 : x
  2. Step 2: Convert to fraction form
    10,848.60/16,285.05 = 8,394.30/x
  3. Step 3: Cross multiply
    10,848.60x = 16,285.05 × 8,394.30
  4. Step 4: Simplify right side
    10,848.60x = 136,701,595.22
  5. Step 5: Solve for x
    x = 136,701,595.22/10,848.60
  6. Step 6: Final answer
    x = 12,600.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.