Home / 7,356.42-11,034.72-2,162.40

Finding the Fourth Proportional to 7,356.42, 11,034.72 and 2,162.40

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Solution

The fourth proportional to 7,356.42, 11,034.72 and 2,162.40 is: 3,243.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,356.42 : 11,034.72 = 2,162.40 : x
  2. Step 2: Convert to fraction form
    7,356.42/11,034.72 = 2,162.40/x
  3. Step 3: Cross multiply
    7,356.42x = 11,034.72 × 2,162.40
  4. Step 4: Simplify right side
    7,356.42x = 23,861,478.53
  5. Step 5: Solve for x
    x = 23,861,478.53/7,356.42
  6. Step 6: Final answer
    x = 3,243.63

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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.