Home / 9,644.76-13,310.44-5,396.23

Finding the Fourth Proportional to 9,644.76, 13,310.44 and 5,396.23

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Solution

The fourth proportional to 9,644.76, 13,310.44 and 5,396.23 is: 7,447.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,644.76 : 13,310.44 = 5,396.23 : x
  2. Step 2: Convert to fraction form
    9,644.76/13,310.44 = 5,396.23/x
  3. Step 3: Cross multiply
    9,644.76x = 13,310.44 × 5,396.23
  4. Step 4: Simplify right side
    9,644.76x = 71,826,195.64
  5. Step 5: Solve for x
    x = 71,826,195.64/9,644.76
  6. Step 6: Final answer
    x = 7,447.17

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Double scale
Find fourth proportional to 9,645.76, 13,311.82 and 5,397.23
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.