Home / 11,817.34-17,732.90-4,426.99

Finding the Fourth Proportional to 11,817.34, 17,732.90 and 4,426.99

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Solution

The fourth proportional to 11,817.34, 17,732.90 and 4,426.99 is: 6,643.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,817.34 : 17,732.90 = 4,426.99 : x
  2. Step 2: Convert to fraction form
    11,817.34/17,732.90 = 4,426.99/x
  3. Step 3: Cross multiply
    11,817.34x = 17,732.90 × 4,426.99
  4. Step 4: Simplify right side
    11,817.34x = 78,503,370.97
  5. Step 5: Solve for x
    x = 78,503,370.97/11,817.34
  6. Step 6: Final answer
    x = 6,643.07

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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.