Home / 7,655.18-11,484.12-3,956.38

Finding the Fourth Proportional to 7,655.18, 11,484.12 and 3,956.38

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Solution

The fourth proportional to 7,655.18, 11,484.12 and 3,956.38 is: 5,935.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,655.18 : 11,484.12 = 3,956.38 : x
  2. Step 2: Convert to fraction form
    7,655.18/11,484.12 = 3,956.38/x
  3. Step 3: Cross multiply
    7,655.18x = 11,484.12 × 3,956.38
  4. Step 4: Simplify right side
    7,655.18x = 45,435,542.69
  5. Step 5: Solve for x
    x = 45,435,542.69/7,655.18
  6. Step 6: Final answer
    x = 5,935.27

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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.