Home / 7,646.18-11,472.51-4,179.38

Finding the Fourth Proportional to 7,646.18, 11,472.51 and 4,179.38

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Solution

The fourth proportional to 7,646.18, 11,472.51 and 4,179.38 is: 6,270.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,646.18 : 11,472.51 = 4,179.38 : x
  2. Step 2: Convert to fraction form
    7,646.18/11,472.51 = 4,179.38/x
  3. Step 3: Cross multiply
    7,646.18x = 11,472.51 × 4,179.38
  4. Step 4: Simplify right side
    7,646.18x = 47,947,978.84
  5. Step 5: Solve for x
    x = 47,947,978.84/7,646.18
  6. Step 6: Final answer
    x = 6,270.84

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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.