Home / 7,192.80-10,800.14-4,576.91

Finding the Fourth Proportional to 7,192.80, 10,800.14 and 4,576.91

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Solution

The fourth proportional to 7,192.80, 10,800.14 and 4,576.91 is: 6,872.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.80 : 10,800.14 = 4,576.91 : x
  2. Step 2: Convert to fraction form
    7,192.80/10,800.14 = 4,576.91/x
  3. Step 3: Cross multiply
    7,192.80x = 10,800.14 × 4,576.91
  4. Step 4: Simplify right side
    7,192.80x = 49,431,191.88
  5. Step 5: Solve for x
    x = 49,431,191.88/7,192.80
  6. Step 6: Final answer
    x = 6,872.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.