Home / 11,576.81-15,976.01-6,271.63

Finding the Fourth Proportional to 11,576.81, 15,976.01 and 6,271.63

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Solution

The fourth proportional to 11,576.81, 15,976.01 and 6,271.63 is: 8,654.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,576.81 : 15,976.01 = 6,271.63 : x
  2. Step 2: Convert to fraction form
    11,576.81/15,976.01 = 6,271.63/x
  3. Step 3: Cross multiply
    11,576.81x = 15,976.01 × 6,271.63
  4. Step 4: Simplify right side
    11,576.81x = 100,195,599.34
  5. Step 5: Solve for x
    x = 100,195,599.34/11,576.81
  6. Step 6: Final answer
    x = 8,654.85

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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.