Home / 11,576.00-15,975.20-6,540.43

Finding the Fourth Proportional to 11,576.00, 15,975.20 and 6,540.43

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Solution

The fourth proportional to 11,576.00, 15,975.20 and 6,540.43 is: 9,025.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,576.00 : 15,975.20 = 6,540.43 : x
  2. Step 2: Convert to fraction form
    11,576.00/15,975.20 = 6,540.43/x
  3. Step 3: Cross multiply
    11,576.00x = 15,975.20 × 6,540.43
  4. Step 4: Simplify right side
    11,576.00x = 104,484,713.66
  5. Step 5: Solve for x
    x = 104,484,713.66/11,576.00
  6. Step 6: Final answer
    x = 9,025.98

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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.