Home / 12,056.15-16,626.38-8,272.64

Finding the Fourth Proportional to 12,056.15, 16,626.38 and 8,272.64

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Solution

The fourth proportional to 12,056.15, 16,626.38 and 8,272.64 is: 11,408.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,056.15 : 16,626.38 = 8,272.64 : x
  2. Step 2: Convert to fraction form
    12,056.15/16,626.38 = 8,272.64/x
  3. Step 3: Cross multiply
    12,056.15x = 16,626.38 × 8,272.64
  4. Step 4: Simplify right side
    12,056.15x = 137,544,118.49
  5. Step 5: Solve for x
    x = 137,544,118.49/12,056.15
  6. Step 6: Final answer
    x = 11,408.62

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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.