Home / 11,941.47-17,912.55-5,702.13

Finding the Fourth Proportional to 11,941.47, 17,912.55 and 5,702.13

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Solution

The fourth proportional to 11,941.47, 17,912.55 and 5,702.13 is: 8,553.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,941.47 : 17,912.55 = 5,702.13 : x
  2. Step 2: Convert to fraction form
    11,941.47/17,912.55 = 5,702.13/x
  3. Step 3: Cross multiply
    11,941.47x = 17,912.55 × 5,702.13
  4. Step 4: Simplify right side
    11,941.47x = 102,139,688.73
  5. Step 5: Solve for x
    x = 102,139,688.73/11,941.47
  6. Step 6: Final answer
    x = 8,553.36

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1.5x scale

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.