Home / 11,117.72-16,676.58-4,457.24

Finding the Fourth Proportional to 11,117.72, 16,676.58 and 4,457.24

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Solution

The fourth proportional to 11,117.72, 16,676.58 and 4,457.24 is: 6,685.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117.72 : 16,676.58 = 4,457.24 : x
  2. Step 2: Convert to fraction form
    11,117.72/16,676.58 = 4,457.24/x
  3. Step 3: Cross multiply
    11,117.72x = 16,676.58 × 4,457.24
  4. Step 4: Simplify right side
    11,117.72x = 74,331,519.44
  5. Step 5: Solve for x
    x = 74,331,519.44/11,117.72
  6. Step 6: Final answer
    x = 6,685.86

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Similar ratio
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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.