Home / 11,768.42-16,240.71-6,463.35

Finding the Fourth Proportional to 11,768.42, 16,240.71 and 6,463.35

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Solution

The fourth proportional to 11,768.42, 16,240.71 and 6,463.35 is: 8,919.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,768.42 : 16,240.71 = 6,463.35 : x
  2. Step 2: Convert to fraction form
    11,768.42/16,240.71 = 6,463.35/x
  3. Step 3: Cross multiply
    11,768.42x = 16,240.71 × 6,463.35
  4. Step 4: Simplify right side
    11,768.42x = 104,969,360.66
  5. Step 5: Solve for x
    x = 104,969,360.66/11,768.42
  6. Step 6: Final answer
    x = 8,919.58

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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.