Home / 7,378.73-10,180.96-6,188.54

Finding the Fourth Proportional to 7,378.73, 10,180.96 and 6,188.54

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Solution

The fourth proportional to 7,378.73, 10,180.96 and 6,188.54 is: 8,538.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378.73 : 10,180.96 = 6,188.54 : x
  2. Step 2: Convert to fraction form
    7,378.73/10,180.96 = 6,188.54/x
  3. Step 3: Cross multiply
    7,378.73x = 10,180.96 × 6,188.54
  4. Step 4: Simplify right side
    7,378.73x = 63,005,211.82
  5. Step 5: Solve for x
    x = 63,005,211.82/7,378.73
  6. Step 6: Final answer
    x = 8,538.76

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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.