Home / 8,923.24-12,314.94-5,197

Finding the Fourth Proportional to 8,923.24, 12,314.94 and 5,197

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Solution

The fourth proportional to 8,923.24, 12,314.94 and 5,197 is: 7,172.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,923.24 : 12,314.94 = 5,197 : x
  2. Step 2: Convert to fraction form
    8,923.24/12,314.94 = 5,197/x
  3. Step 3: Cross multiply
    8,923.24x = 12,314.94 × 5,197
  4. Step 4: Simplify right side
    8,923.24x = 64,000,743.18
  5. Step 5: Solve for x
    x = 64,000,743.18/8,923.24
  6. Step 6: Final answer
    x = 7,172.37

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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.