Home / 11,222.40-16,833.60-3,433.92

Finding the Fourth Proportional to 11,222.40, 16,833.60 and 3,433.92

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Solution

The fourth proportional to 11,222.40, 16,833.60 and 3,433.92 is: 5,150.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.40 : 16,833.60 = 3,433.92 : x
  2. Step 2: Convert to fraction form
    11,222.40/16,833.60 = 3,433.92/x
  3. Step 3: Cross multiply
    11,222.40x = 16,833.60 × 3,433.92
  4. Step 4: Simplify right side
    11,222.40x = 57,805,235.71
  5. Step 5: Solve for x
    x = 57,805,235.71/11,222.40
  6. Step 6: Final answer
    x = 5,150.88

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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.