Home / 11,900.19-16,424.01-6,863.43

Finding the Fourth Proportional to 11,900.19, 16,424.01 and 6,863.43

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Solution

The fourth proportional to 11,900.19, 16,424.01 and 6,863.43 is: 9,472.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,900.19 : 16,424.01 = 6,863.43 : x
  2. Step 2: Convert to fraction form
    11,900.19/16,424.01 = 6,863.43/x
  3. Step 3: Cross multiply
    11,900.19x = 16,424.01 × 6,863.43
  4. Step 4: Simplify right side
    11,900.19x = 112,725,042.95
  5. Step 5: Solve for x
    x = 112,725,042.95/11,900.19
  6. Step 6: Final answer
    x = 9,472.54

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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.