Home / 11,175.78-16,759.08-4,156.23

Finding the Fourth Proportional to 11,175.78, 16,759.08 and 4,156.23

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Solution

The fourth proportional to 11,175.78, 16,759.08 and 4,156.23 is: 6,232.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,175.78 : 16,759.08 = 4,156.23 : x
  2. Step 2: Convert to fraction form
    11,175.78/16,759.08 = 4,156.23/x
  3. Step 3: Cross multiply
    11,175.78x = 16,759.08 × 4,156.23
  4. Step 4: Simplify right side
    11,175.78x = 69,654,591.07
  5. Step 5: Solve for x
    x = 69,654,591.07/11,175.78
  6. Step 6: Final answer
    x = 6,232.64

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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.