Home / 11,113.67-16,672.77-4,540.39

Finding the Fourth Proportional to 11,113.67, 16,672.77 and 4,540.39

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Solution

The fourth proportional to 11,113.67, 16,672.77 and 4,540.39 is: 6,811.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,113.67 : 16,672.77 = 4,540.39 : x
  2. Step 2: Convert to fraction form
    11,113.67/16,672.77 = 4,540.39/x
  3. Step 3: Cross multiply
    11,113.67x = 16,672.77 × 4,540.39
  4. Step 4: Simplify right side
    11,113.67x = 75,700,836.50
  5. Step 5: Solve for x
    x = 75,700,836.50/11,113.67
  6. Step 6: Final answer
    x = 6,811.51

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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.