Home / 11,917.53-16,446.24-6,612.48

Finding the Fourth Proportional to 11,917.53, 16,446.24 and 6,612.48

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Solution

The fourth proportional to 11,917.53, 16,446.24 and 6,612.48 is: 9,125.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,917.53 : 16,446.24 = 6,612.48 : x
  2. Step 2: Convert to fraction form
    11,917.53/16,446.24 = 6,612.48/x
  3. Step 3: Cross multiply
    11,917.53x = 16,446.24 × 6,612.48
  4. Step 4: Simplify right side
    11,917.53x = 108,750,433.08
  5. Step 5: Solve for x
    x = 108,750,433.08/11,917.53
  6. Step 6: Final answer
    x = 9,125.25

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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.