Home / 11,155.41-16,734.87-4,579.83

Finding the Fourth Proportional to 11,155.41, 16,734.87 and 4,579.83

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Solution

The fourth proportional to 11,155.41, 16,734.87 and 4,579.83 is: 6,870.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,155.41 : 16,734.87 = 4,579.83 : x
  2. Step 2: Convert to fraction form
    11,155.41/16,734.87 = 4,579.83/x
  3. Step 3: Cross multiply
    11,155.41x = 16,734.87 × 4,579.83
  4. Step 4: Simplify right side
    11,155.41x = 76,642,859.67
  5. Step 5: Solve for x
    x = 76,642,859.67/11,155.41
  6. Step 6: Final answer
    x = 6,870.47

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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.