Home / 11,791.40-17,689.10-5,868.63

Finding the Fourth Proportional to 11,791.40, 17,689.10 and 5,868.63

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Solution

The fourth proportional to 11,791.40, 17,689.10 and 5,868.63 is: 8,803.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,791.40 : 17,689.10 = 5,868.63 : x
  2. Step 2: Convert to fraction form
    11,791.40/17,689.10 = 5,868.63/x
  3. Step 3: Cross multiply
    11,791.40x = 17,689.10 × 5,868.63
  4. Step 4: Simplify right side
    11,791.40x = 103,810,753.59
  5. Step 5: Solve for x
    x = 103,810,753.59/11,791.40
  6. Step 6: Final answer
    x = 8,803.94

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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.