Home / 11,768.19-16,240.12-6,463.35

Finding the Fourth Proportional to 11,768.19, 16,240.12 and 6,463.35

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Solution

The fourth proportional to 11,768.19, 16,240.12 and 6,463.35 is: 8,919.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,768.19 : 16,240.12 = 6,463.35 : x
  2. Step 2: Convert to fraction form
    11,768.19/16,240.12 = 6,463.35/x
  3. Step 3: Cross multiply
    11,768.19x = 16,240.12 × 6,463.35
  4. Step 4: Simplify right side
    11,768.19x = 104,965,579.60
  5. Step 5: Solve for x
    x = 104,965,579.60/11,768.19
  6. Step 6: Final answer
    x = 8,919.43

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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.