Home / 11,611.08-17,314.56-11,505.78

Finding the Fourth Proportional to 11,611.08, 17,314.56 and 11,505.78

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Solution

The fourth proportional to 11,611.08, 17,314.56 and 11,505.78 is: 17,157.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,611.08 : 17,314.56 = 11,505.78 : x
  2. Step 2: Convert to fraction form
    11,611.08/17,314.56 = 11,505.78/x
  3. Step 3: Cross multiply
    11,611.08x = 17,314.56 × 11,505.78
  4. Step 4: Simplify right side
    11,611.08x = 199,217,518.16
  5. Step 5: Solve for x
    x = 199,217,518.16/11,611.08
  6. Step 6: Final answer
    x = 17,157.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.