Home / 11,702.73-17,561.03-4,312.38

Finding the Fourth Proportional to 11,702.73, 17,561.03 and 4,312.38

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Solution

The fourth proportional to 11,702.73, 17,561.03 and 4,312.38 is: 6,471.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,702.73 : 17,561.03 = 4,312.38 : x
  2. Step 2: Convert to fraction form
    11,702.73/17,561.03 = 4,312.38/x
  3. Step 3: Cross multiply
    11,702.73x = 17,561.03 × 4,312.38
  4. Step 4: Simplify right side
    11,702.73x = 75,729,834.55
  5. Step 5: Solve for x
    x = 75,729,834.55/11,702.73
  6. Step 6: Final answer
    x = 6,471.13

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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.