Home / 13,173.33-18,179.70-7,508.97

Finding the Fourth Proportional to 13,173.33, 18,179.70 and 7,508.97

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Solution

The fourth proportional to 13,173.33, 18,179.70 and 7,508.97 is: 10,362.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173.33 : 18,179.70 = 7,508.97 : x
  2. Step 2: Convert to fraction form
    13,173.33/18,179.70 = 7,508.97/x
  3. Step 3: Cross multiply
    13,173.33x = 18,179.70 × 7,508.97
  4. Step 4: Simplify right side
    13,173.33x = 136,510,821.91
  5. Step 5: Solve for x
    x = 136,510,821.91/13,173.33
  6. Step 6: Final answer
    x = 10,362.67

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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.