Home / 11,231.13-16,847.50-4,305.63

Finding the Fourth Proportional to 11,231.13, 16,847.50 and 4,305.63

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Solution

The fourth proportional to 11,231.13, 16,847.50 and 4,305.63 is: 6,458.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,231.13 : 16,847.50 = 4,305.63 : x
  2. Step 2: Convert to fraction form
    11,231.13/16,847.50 = 4,305.63/x
  3. Step 3: Cross multiply
    11,231.13x = 16,847.50 × 4,305.63
  4. Step 4: Simplify right side
    11,231.13x = 72,539,101.43
  5. Step 5: Solve for x
    x = 72,539,101.43/11,231.13
  6. Step 6: Final answer
    x = 6,458.75

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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.