Home / 11,151.36-16,712.10-4,124.88

Finding the Fourth Proportional to 11,151.36, 16,712.10 and 4,124.88

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Solution

The fourth proportional to 11,151.36, 16,712.10 and 4,124.88 is: 6,181.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,151.36 : 16,712.10 = 4,124.88 : x
  2. Step 2: Convert to fraction form
    11,151.36/16,712.10 = 4,124.88/x
  3. Step 3: Cross multiply
    11,151.36x = 16,712.10 × 4,124.88
  4. Step 4: Simplify right side
    11,151.36x = 68,935,407.05
  5. Step 5: Solve for x
    x = 68,935,407.05/11,151.36
  6. Step 6: Final answer
    x = 6,181.79

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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.