Home / 11,638.12-17,325.56-11,568.93

Finding the Fourth Proportional to 11,638.12, 17,325.56 and 11,568.93

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Solution

The fourth proportional to 11,638.12, 17,325.56 and 11,568.93 is: 17,222.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,638.12 : 17,325.56 = 11,568.93 : x
  2. Step 2: Convert to fraction form
    11,638.12/17,325.56 = 11,568.93/x
  3. Step 3: Cross multiply
    11,638.12x = 17,325.56 × 11,568.93
  4. Step 4: Simplify right side
    11,638.12x = 200,438,190.85
  5. Step 5: Solve for x
    x = 200,438,190.85/11,638.12
  6. Step 6: Final answer
    x = 17,222.56

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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.