Home / 7,946.46-11,919.57-2,752.38

Finding the Fourth Proportional to 7,946.46, 11,919.57 and 2,752.38

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Solution

The fourth proportional to 7,946.46, 11,919.57 and 2,752.38 is: 4,128.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946.46 : 11,919.57 = 2,752.38 : x
  2. Step 2: Convert to fraction form
    7,946.46/11,919.57 = 2,752.38/x
  3. Step 3: Cross multiply
    7,946.46x = 11,919.57 × 2,752.38
  4. Step 4: Simplify right side
    7,946.46x = 32,807,186.08
  5. Step 5: Solve for x
    x = 32,807,186.08/7,946.46
  6. Step 6: Final answer
    x = 4,128.53

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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.