Home / 7,424.10-10,246.20-4,280.28

Finding the Fourth Proportional to 7,424.10, 10,246.20 and 4,280.28

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Solution

The fourth proportional to 7,424.10, 10,246.20 and 4,280.28 is: 5,907.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.10 : 10,246.20 = 4,280.28 : x
  2. Step 2: Convert to fraction form
    7,424.10/10,246.20 = 4,280.28/x
  3. Step 3: Cross multiply
    7,424.10x = 10,246.20 × 4,280.28
  4. Step 4: Simplify right side
    7,424.10x = 43,856,604.94
  5. Step 5: Solve for x
    x = 43,856,604.94/7,424.10
  6. Step 6: Final answer
    x = 5,907.33

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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.