Home / 7,864.16-11,796.66-2,020.82

Finding the Fourth Proportional to 7,864.16, 11,796.66 and 2,020.82

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Solution

The fourth proportional to 7,864.16, 11,796.66 and 2,020.82 is: 3,031.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.16 : 11,796.66 = 2,020.82 : x
  2. Step 2: Convert to fraction form
    7,864.16/11,796.66 = 2,020.82/x
  3. Step 3: Cross multiply
    7,864.16x = 11,796.66 × 2,020.82
  4. Step 4: Simplify right side
    7,864.16x = 23,838,926.46
  5. Step 5: Solve for x
    x = 23,838,926.46/7,864.16
  6. Step 6: Final answer
    x = 3,031.34

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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.