Home / 11,975.11-16,536.08-7,506.54

Finding the Fourth Proportional to 11,975.11, 16,536.08 and 7,506.54

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Solution

The fourth proportional to 11,975.11, 16,536.08 and 7,506.54 is: 10,365.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,975.11 : 16,536.08 = 7,506.54 : x
  2. Step 2: Convert to fraction form
    11,975.11/16,536.08 = 7,506.54/x
  3. Step 3: Cross multiply
    11,975.11x = 16,536.08 × 7,506.54
  4. Step 4: Simplify right side
    11,975.11x = 124,128,745.96
  5. Step 5: Solve for x
    x = 124,128,745.96/11,975.11
  6. Step 6: Final answer
    x = 10,365.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.