Home / 12,228.92-16,883.07-8,868.50

Finding the Fourth Proportional to 12,228.92, 16,883.07 and 8,868.50

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Solution

The fourth proportional to 12,228.92, 16,883.07 and 8,868.50 is: 12,243.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,228.92 : 16,883.07 = 8,868.50 : x
  2. Step 2: Convert to fraction form
    12,228.92/16,883.07 = 8,868.50/x
  3. Step 3: Cross multiply
    12,228.92x = 16,883.07 × 8,868.50
  4. Step 4: Simplify right side
    12,228.92x = 149,727,506.30
  5. Step 5: Solve for x
    x = 149,727,506.30/12,228.92
  6. Step 6: Final answer
    x = 12,243.72

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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.