Home / 11,450.43-15,801.85-6,414.39

Finding the Fourth Proportional to 11,450.43, 15,801.85 and 6,414.39

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Solution

The fourth proportional to 11,450.43, 15,801.85 and 6,414.39 is: 8,852.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,450.43 : 15,801.85 = 6,414.39 : x
  2. Step 2: Convert to fraction form
    11,450.43/15,801.85 = 6,414.39/x
  3. Step 3: Cross multiply
    11,450.43x = 15,801.85 × 6,414.39
  4. Step 4: Simplify right side
    11,450.43x = 101,359,236.64
  5. Step 5: Solve for x
    x = 101,359,236.64/11,450.43
  6. Step 6: Final answer
    x = 8,852.00

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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.