Home / 10,942.20-15,100.29-6,226.38

Finding the Fourth Proportional to 10,942.20, 15,100.29 and 6,226.38

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Solution

The fourth proportional to 10,942.20, 15,100.29 and 6,226.38 is: 8,592.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,942.20 : 15,100.29 = 6,226.38 : x
  2. Step 2: Convert to fraction form
    10,942.20/15,100.29 = 6,226.38/x
  3. Step 3: Cross multiply
    10,942.20x = 15,100.29 × 6,226.38
  4. Step 4: Simplify right side
    10,942.20x = 94,020,143.65
  5. Step 5: Solve for x
    x = 94,020,143.65/10,942.20
  6. Step 6: Final answer
    x = 8,592.44

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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.