Home / 11,116.40-16,666.32-3,716.48

Finding the Fourth Proportional to 11,116.40, 16,666.32 and 3,716.48

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Solution

The fourth proportional to 11,116.40, 16,666.32 and 3,716.48 is: 5,571.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,116.40 : 16,666.32 = 3,716.48 : x
  2. Step 2: Convert to fraction form
    11,116.40/16,666.32 = 3,716.48/x
  3. Step 3: Cross multiply
    11,116.40x = 16,666.32 × 3,716.48
  4. Step 4: Simplify right side
    11,116.40x = 61,940,044.95
  5. Step 5: Solve for x
    x = 61,940,044.95/11,116.40
  6. Step 6: Final answer
    x = 5,571.95

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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.