Home / 11,187.36-16,777.56-4,070.76

Finding the Fourth Proportional to 11,187.36, 16,777.56 and 4,070.76

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Solution

The fourth proportional to 11,187.36, 16,777.56 and 4,070.76 is: 6,104.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,187.36 : 16,777.56 = 4,070.76 : x
  2. Step 2: Convert to fraction form
    11,187.36/16,777.56 = 4,070.76/x
  3. Step 3: Cross multiply
    11,187.36x = 16,777.56 × 4,070.76
  4. Step 4: Simplify right side
    11,187.36x = 68,297,420.15
  5. Step 5: Solve for x
    x = 68,297,420.15/11,187.36
  6. Step 6: Final answer
    x = 6,104.87

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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.