Home / 34,279.80-51,425.10-10,908.60

Finding the Fourth Proportional to 34,279.80, 51,425.10 and 10,908.60

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Solution

The fourth proportional to 34,279.80, 51,425.10 and 10,908.60 is: 16,364.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,279.80 : 51,425.10 = 10,908.60 : x
  2. Step 2: Convert to fraction form
    34,279.80/51,425.10 = 10,908.60/x
  3. Step 3: Cross multiply
    34,279.80x = 51,425.10 × 10,908.60
  4. Step 4: Simplify right side
    34,279.80x = 560,975,845.86
  5. Step 5: Solve for x
    x = 560,975,845.86/34,279.80
  6. Step 6: Final answer
    x = 16,364.62

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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.