Home / 7,923.29-11,874.43-4,217.54

Finding the Fourth Proportional to 7,923.29, 11,874.43 and 4,217.54

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Solution

The fourth proportional to 7,923.29, 11,874.43 and 4,217.54 is: 6,320.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.29 : 11,874.43 = 4,217.54 : x
  2. Step 2: Convert to fraction form
    7,923.29/11,874.43 = 4,217.54/x
  3. Step 3: Cross multiply
    7,923.29x = 11,874.43 × 4,217.54
  4. Step 4: Simplify right side
    7,923.29x = 50,080,829.40
  5. Step 5: Solve for x
    x = 50,080,829.40/7,923.29
  6. Step 6: Final answer
    x = 6,320.72

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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.