Home / 11,576.56-15,975.64-6,271.40

Finding the Fourth Proportional to 11,576.56, 15,975.64 and 6,271.40

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Solution

The fourth proportional to 11,576.56, 15,975.64 and 6,271.40 is: 8,654.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,576.56 : 15,975.64 = 6,271.40 : x
  2. Step 2: Convert to fraction form
    11,576.56/15,975.64 = 6,271.40/x
  3. Step 3: Cross multiply
    11,576.56x = 15,975.64 × 6,271.40
  4. Step 4: Simplify right side
    11,576.56x = 100,189,628.70
  5. Step 5: Solve for x
    x = 100,189,628.70/11,576.56
  6. Step 6: Final answer
    x = 8,654.53

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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.