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Finding the Fourth Proportional to 11,063.00, 15,281.91 and 8,840.46

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Solution

The fourth proportional to 11,063.00, 15,281.91 and 8,840.46 is: 12,211.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,063.00 : 15,281.91 = 8,840.46 : x
  2. Step 2: Convert to fraction form
    11,063.00/15,281.91 = 8,840.46/x
  3. Step 3: Cross multiply
    11,063.00x = 15,281.91 × 8,840.46
  4. Step 4: Simplify right side
    11,063.00x = 135,099,114.08
  5. Step 5: Solve for x
    x = 135,099,114.08/11,063.00
  6. Step 6: Final answer
    x = 12,211.80

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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.