Home / 11,576.86-15,976.17-6,271.80

Finding the Fourth Proportional to 11,576.86, 15,976.17 and 6,271.80

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Solution

The fourth proportional to 11,576.86, 15,976.17 and 6,271.80 is: 8,655.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,576.86 : 15,976.17 = 6,271.80 : x
  2. Step 2: Convert to fraction form
    11,576.86/15,976.17 = 6,271.80/x
  3. Step 3: Cross multiply
    11,576.86x = 15,976.17 × 6,271.80
  4. Step 4: Simplify right side
    11,576.86x = 100,199,343.01
  5. Step 5: Solve for x
    x = 100,199,343.01/11,576.86
  6. Step 6: Final answer
    x = 8,655.14

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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.