Home / 10,817.24-16,216.13-3,890.12

Finding the Fourth Proportional to 10,817.24, 16,216.13 and 3,890.12

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Solution

The fourth proportional to 10,817.24, 16,216.13 and 3,890.12 is: 5,831.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,817.24 : 16,216.13 = 3,890.12 : x
  2. Step 2: Convert to fraction form
    10,817.24/16,216.13 = 3,890.12/x
  3. Step 3: Cross multiply
    10,817.24x = 16,216.13 × 3,890.12
  4. Step 4: Simplify right side
    10,817.24x = 63,082,620.28
  5. Step 5: Solve for x
    x = 63,082,620.28/10,817.24
  6. Step 6: Final answer
    x = 5,831.68

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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.