Home / 7,538.46-10,400.94-5,940.15

Finding the Fourth Proportional to 7,538.46, 10,400.94 and 5,940.15

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Solution

The fourth proportional to 7,538.46, 10,400.94 and 5,940.15 is: 8,195.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.46 : 10,400.94 = 5,940.15 : x
  2. Step 2: Convert to fraction form
    7,538.46/10,400.94 = 5,940.15/x
  3. Step 3: Cross multiply
    7,538.46x = 10,400.94 × 5,940.15
  4. Step 4: Simplify right side
    7,538.46x = 61,783,143.74
  5. Step 5: Solve for x
    x = 61,783,143.74/7,538.46
  6. Step 6: Final answer
    x = 8,195.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.