Home / 12,240.28-16,895.46-8,883.64

Finding the Fourth Proportional to 12,240.28, 16,895.46 and 8,883.64

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Solution

The fourth proportional to 12,240.28, 16,895.46 and 8,883.64 is: 12,262.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240.28 : 16,895.46 = 8,883.64 : x
  2. Step 2: Convert to fraction form
    12,240.28/16,895.46 = 8,883.64/x
  3. Step 3: Cross multiply
    12,240.28x = 16,895.46 × 8,883.64
  4. Step 4: Simplify right side
    12,240.28x = 150,093,184.27
  5. Step 5: Solve for x
    x = 150,093,184.27/12,240.28
  6. Step 6: Final answer
    x = 12,262.23

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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.