Home / 8,324.38-12,463.44-5,393.80

Finding the Fourth Proportional to 8,324.38, 12,463.44 and 5,393.80

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Solution

The fourth proportional to 8,324.38, 12,463.44 and 5,393.80 is: 8,075.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,324.38 : 12,463.44 = 5,393.80 : x
  2. Step 2: Convert to fraction form
    8,324.38/12,463.44 = 5,393.80/x
  3. Step 3: Cross multiply
    8,324.38x = 12,463.44 × 5,393.80
  4. Step 4: Simplify right side
    8,324.38x = 67,225,302.67
  5. Step 5: Solve for x
    x = 67,225,302.67/8,324.38
  6. Step 6: Final answer
    x = 8,075.71

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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.