Home / 10,115.62-15,173.67-5,732.98

Finding the Fourth Proportional to 10,115.62, 15,173.67 and 5,732.98

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Solution

The fourth proportional to 10,115.62, 15,173.67 and 5,732.98 is: 8,599.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,115.62 : 15,173.67 = 5,732.98 : x
  2. Step 2: Convert to fraction form
    10,115.62/15,173.67 = 5,732.98/x
  3. Step 3: Cross multiply
    10,115.62x = 15,173.67 × 5,732.98
  4. Step 4: Simplify right side
    10,115.62x = 86,990,346.64
  5. Step 5: Solve for x
    x = 86,990,346.64/10,115.62
  6. Step 6: Final answer
    x = 8,599.61

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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.