Home / 11,576.72-15,975.81-6,271.58

Finding the Fourth Proportional to 11,576.72, 15,975.81 and 6,271.58

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Solution

The fourth proportional to 11,576.72, 15,975.81 and 6,271.58 is: 8,654.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,576.72 : 15,975.81 = 6,271.58 : x
  2. Step 2: Convert to fraction form
    11,576.72/15,975.81 = 6,271.58/x
  3. Step 3: Cross multiply
    11,576.72x = 15,975.81 × 6,271.58
  4. Step 4: Simplify right side
    11,576.72x = 100,193,490.60
  5. Step 5: Solve for x
    x = 100,193,490.60/11,576.72
  6. Step 6: Final answer
    x = 8,654.74

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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.