Home / 7,207.96-10,812.36-2,013.82

Finding the Fourth Proportional to 7,207.96, 10,812.36 and 2,013.82

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Solution

The fourth proportional to 7,207.96, 10,812.36 and 2,013.82 is: 3,020.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207.96 : 10,812.36 = 2,013.82 : x
  2. Step 2: Convert to fraction form
    7,207.96/10,812.36 = 2,013.82/x
  3. Step 3: Cross multiply
    7,207.96x = 10,812.36 × 2,013.82
  4. Step 4: Simplify right side
    7,207.96x = 21,774,146.82
  5. Step 5: Solve for x
    x = 21,774,146.82/7,207.96
  6. Step 6: Final answer
    x = 3,020.85

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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.