Home / 10,222.14-15,318.69-7,873.26

Finding the Fourth Proportional to 10,222.14, 15,318.69 and 7,873.26

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Solution

The fourth proportional to 10,222.14, 15,318.69 and 7,873.26 is: 11,798.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,222.14 : 15,318.69 = 7,873.26 : x
  2. Step 2: Convert to fraction form
    10,222.14/15,318.69 = 7,873.26/x
  3. Step 3: Cross multiply
    10,222.14x = 15,318.69 × 7,873.26
  4. Step 4: Simplify right side
    10,222.14x = 120,608,029.23
  5. Step 5: Solve for x
    x = 120,608,029.23/10,222.14
  6. Step 6: Final answer
    x = 11,798.71

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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.