Home / 7,972.56-11,969.78-5,063.85

Finding the Fourth Proportional to 7,972.56, 11,969.78 and 5,063.85

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Solution

The fourth proportional to 7,972.56, 11,969.78 and 5,063.85 is: 7,602.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.56 : 11,969.78 = 5,063.85 : x
  2. Step 2: Convert to fraction form
    7,972.56/11,969.78 = 5,063.85/x
  3. Step 3: Cross multiply
    7,972.56x = 11,969.78 × 5,063.85
  4. Step 4: Simplify right side
    7,972.56x = 60,613,145.13
  5. Step 5: Solve for x
    x = 60,613,145.13/7,972.56
  6. Step 6: Final answer
    x = 7,602.72

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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.