Home / 11,275.60-16,910.83-4,256.36

Finding the Fourth Proportional to 11,275.60, 16,910.83 and 4,256.36

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Solution

The fourth proportional to 11,275.60, 16,910.83 and 4,256.36 is: 6,383.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,275.60 : 16,910.83 = 4,256.36 : x
  2. Step 2: Convert to fraction form
    11,275.60/16,910.83 = 4,256.36/x
  3. Step 3: Cross multiply
    11,275.60x = 16,910.83 × 4,256.36
  4. Step 4: Simplify right side
    11,275.60x = 71,978,580.38
  5. Step 5: Solve for x
    x = 71,978,580.38/11,275.60
  6. Step 6: Final answer
    x = 6,383.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.