Home / 10,178.92-15,273.34-4,981.96

Finding the Fourth Proportional to 10,178.92, 15,273.34 and 4,981.96

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Solution

The fourth proportional to 10,178.92, 15,273.34 and 4,981.96 is: 7,475.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,178.92 : 15,273.34 = 4,981.96 : x
  2. Step 2: Convert to fraction form
    10,178.92/15,273.34 = 4,981.96/x
  3. Step 3: Cross multiply
    10,178.92x = 15,273.34 × 4,981.96
  4. Step 4: Simplify right side
    10,178.92x = 76,091,168.95
  5. Step 5: Solve for x
    x = 76,091,168.95/10,178.92
  6. Step 6: Final answer
    x = 7,475.37

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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.