Home / 11,896.64-16,438.56-9,126.08

Finding the Fourth Proportional to 11,896.64, 16,438.56 and 9,126.08

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Solution

The fourth proportional to 11,896.64, 16,438.56 and 9,126.08 is: 12,610.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,896.64 : 16,438.56 = 9,126.08 : x
  2. Step 2: Convert to fraction form
    11,896.64/16,438.56 = 9,126.08/x
  3. Step 3: Cross multiply
    11,896.64x = 16,438.56 × 9,126.08
  4. Step 4: Simplify right side
    11,896.64x = 150,019,613.64
  5. Step 5: Solve for x
    x = 150,019,613.64/11,896.64
  6. Step 6: Final answer
    x = 12,610.25

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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.