Home / 7,666.36-11,500.62-2,471.02

Finding the Fourth Proportional to 7,666.36, 11,500.62 and 2,471.02

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Solution

The fourth proportional to 7,666.36, 11,500.62 and 2,471.02 is: 3,706.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,666.36 : 11,500.62 = 2,471.02 : x
  2. Step 2: Convert to fraction form
    7,666.36/11,500.62 = 2,471.02/x
  3. Step 3: Cross multiply
    7,666.36x = 11,500.62 × 2,471.02
  4. Step 4: Simplify right side
    7,666.36x = 28,418,262.03
  5. Step 5: Solve for x
    x = 28,418,262.03/7,666.36
  6. Step 6: Final answer
    x = 3,706.88

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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.