Home / 11,858.34-17,781.12-5,922.30

Finding the Fourth Proportional to 11,858.34, 17,781.12 and 5,922.30

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Solution

The fourth proportional to 11,858.34, 17,781.12 and 5,922.30 is: 8,880.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,858.34 : 17,781.12 = 5,922.30 : x
  2. Step 2: Convert to fraction form
    11,858.34/17,781.12 = 5,922.30/x
  3. Step 3: Cross multiply
    11,858.34x = 17,781.12 × 5,922.30
  4. Step 4: Simplify right side
    11,858.34x = 105,305,126.98
  5. Step 5: Solve for x
    x = 105,305,126.98/11,858.34
  6. Step 6: Final answer
    x = 8,880.26

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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.