Home / 10,125.73-15,188.96-2,730.37

Finding the Fourth Proportional to 10,125.73, 15,188.96 and 2,730.37

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Solution

The fourth proportional to 10,125.73, 15,188.96 and 2,730.37 is: 4,095.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125.73 : 15,188.96 = 2,730.37 : x
  2. Step 2: Convert to fraction form
    10,125.73/15,188.96 = 2,730.37/x
  3. Step 3: Cross multiply
    10,125.73x = 15,188.96 × 2,730.37
  4. Step 4: Simplify right side
    10,125.73x = 41,471,480.72
  5. Step 5: Solve for x
    x = 41,471,480.72/10,125.73
  6. Step 6: Final answer
    x = 4,095.65

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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.