Home / 11,615.94-17,423.76-2,850.90

Finding the Fourth Proportional to 11,615.94, 17,423.76 and 2,850.90

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Solution

The fourth proportional to 11,615.94, 17,423.76 and 2,850.90 is: 4,276.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615.94 : 17,423.76 = 2,850.90 : x
  2. Step 2: Convert to fraction form
    11,615.94/17,423.76 = 2,850.90/x
  3. Step 3: Cross multiply
    11,615.94x = 17,423.76 × 2,850.90
  4. Step 4: Simplify right side
    11,615.94x = 49,673,397.38
  5. Step 5: Solve for x
    x = 49,673,397.38/11,615.94
  6. Step 6: Final answer
    x = 4,276.31

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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.