Home / 11,623.71-17,431.20-4,226.34

Finding the Fourth Proportional to 11,623.71, 17,431.20 and 4,226.34

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Solution

The fourth proportional to 11,623.71, 17,431.20 and 4,226.34 is: 6,337.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,623.71 : 17,431.20 = 4,226.34 : x
  2. Step 2: Convert to fraction form
    11,623.71/17,431.20 = 4,226.34/x
  3. Step 3: Cross multiply
    11,623.71x = 17,431.20 × 4,226.34
  4. Step 4: Simplify right side
    11,623.71x = 73,670,177.81
  5. Step 5: Solve for x
    x = 73,670,177.81/11,623.71
  6. Step 6: Final answer
    x = 6,337.92

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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.