Home / 11,887.13-16,405.17-6,582.44

Finding the Fourth Proportional to 11,887.13, 16,405.17 and 6,582.44

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Solution

The fourth proportional to 11,887.13, 16,405.17 and 6,582.44 is: 9,084.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,887.13 : 16,405.17 = 6,582.44 : x
  2. Step 2: Convert to fraction form
    11,887.13/16,405.17 = 6,582.44/x
  3. Step 3: Cross multiply
    11,887.13x = 16,405.17 × 6,582.44
  4. Step 4: Simplify right side
    11,887.13x = 107,986,063.54
  5. Step 5: Solve for x
    x = 107,986,063.54/11,887.13
  6. Step 6: Final answer
    x = 9,084.28

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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.