Home / 11,744.29-16,208.16-6,440.14

Finding the Fourth Proportional to 11,744.29, 16,208.16 and 6,440.14

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Solution

The fourth proportional to 11,744.29, 16,208.16 and 6,440.14 is: 8,887.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,744.29 : 16,208.16 = 6,440.14 : x
  2. Step 2: Convert to fraction form
    11,744.29/16,208.16 = 6,440.14/x
  3. Step 3: Cross multiply
    11,744.29x = 16,208.16 × 6,440.14
  4. Step 4: Simplify right side
    11,744.29x = 104,382,819.54
  5. Step 5: Solve for x
    x = 104,382,819.54/11,744.29
  6. Step 6: Final answer
    x = 8,887.96

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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.