Home / 11,820.93-17,735.46-5,251.71

Finding the Fourth Proportional to 11,820.93, 17,735.46 and 5,251.71

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Solution

The fourth proportional to 11,820.93, 17,735.46 and 5,251.71 is: 7,879.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,820.93 : 17,735.46 = 5,251.71 : x
  2. Step 2: Convert to fraction form
    11,820.93/17,735.46 = 5,251.71/x
  3. Step 3: Cross multiply
    11,820.93x = 17,735.46 × 5,251.71
  4. Step 4: Simplify right side
    11,820.93x = 93,141,492.64
  5. Step 5: Solve for x
    x = 93,141,492.64/11,820.93
  6. Step 6: Final answer
    x = 7,879.37

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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.