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Finding the Fourth Proportional to 9,014.44, 12,503.57 and 8,774.68

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Solution

The fourth proportional to 9,014.44, 12,503.57 and 8,774.68 is: 12,171.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,014.44 : 12,503.57 = 8,774.68 : x
  2. Step 2: Convert to fraction form
    9,014.44/12,503.57 = 8,774.68/x
  3. Step 3: Cross multiply
    9,014.44x = 12,503.57 × 8,774.68
  4. Step 4: Simplify right side
    9,014.44x = 109,714,730.18
  5. Step 5: Solve for x
    x = 109,714,730.18/9,014.44
  6. Step 6: Final answer
    x = 12,171.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.