Home / 11,923.55-16,453.68-6,617.95

Finding the Fourth Proportional to 11,923.55, 16,453.68 and 6,617.95

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Solution

The fourth proportional to 11,923.55, 16,453.68 and 6,617.95 is: 9,132.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,923.55 : 16,453.68 = 6,617.95 : x
  2. Step 2: Convert to fraction form
    11,923.55/16,453.68 = 6,617.95/x
  3. Step 3: Cross multiply
    11,923.55x = 16,453.68 × 6,617.95
  4. Step 4: Simplify right side
    11,923.55x = 108,889,695.38
  5. Step 5: Solve for x
    x = 108,889,695.38/11,923.55
  6. Step 6: Final answer
    x = 9,132.32

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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.