Home / 11,045.20-16,564.20-4,118.80

Finding the Fourth Proportional to 11,045.20, 16,564.20 and 4,118.80

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Solution

The fourth proportional to 11,045.20, 16,564.20 and 4,118.80 is: 6,176.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,045.20 : 16,564.20 = 4,118.80 : x
  2. Step 2: Convert to fraction form
    11,045.20/16,564.20 = 4,118.80/x
  3. Step 3: Cross multiply
    11,045.20x = 16,564.20 × 4,118.80
  4. Step 4: Simplify right side
    11,045.20x = 68,224,626.96
  5. Step 5: Solve for x
    x = 68,224,626.96/11,045.20
  6. Step 6: Final answer
    x = 6,176.86

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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.