Home / 11,173.19-16,759.76-2,853.20

Finding the Fourth Proportional to 11,173.19, 16,759.76 and 2,853.20

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Solution

The fourth proportional to 11,173.19, 16,759.76 and 2,853.20 is: 4,279.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,173.19 : 16,759.76 = 2,853.20 : x
  2. Step 2: Convert to fraction form
    11,173.19/16,759.76 = 2,853.20/x
  3. Step 3: Cross multiply
    11,173.19x = 16,759.76 × 2,853.20
  4. Step 4: Simplify right side
    11,173.19x = 47,818,974.87
  5. Step 5: Solve for x
    x = 47,818,974.87/11,173.19
  6. Step 6: Final answer
    x = 4,279.80

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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.