Home / 11,296.75-15,588.40-6,517.13

Finding the Fourth Proportional to 11,296.75, 15,588.40 and 6,517.13

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Solution

The fourth proportional to 11,296.75, 15,588.40 and 6,517.13 is: 8,992.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,296.75 : 15,588.40 = 6,517.13 : x
  2. Step 2: Convert to fraction form
    11,296.75/15,588.40 = 6,517.13/x
  3. Step 3: Cross multiply
    11,296.75x = 15,588.40 × 6,517.13
  4. Step 4: Simplify right side
    11,296.75x = 101,591,596.71
  5. Step 5: Solve for x
    x = 101,591,596.71/11,296.75
  6. Step 6: Final answer
    x = 8,992.99

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Double scale
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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.