Home / 11,755.68-16,222.95-6,450.36

Finding the Fourth Proportional to 11,755.68, 16,222.95 and 6,450.36

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Solution

The fourth proportional to 11,755.68, 16,222.95 and 6,450.36 is: 8,901.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,755.68 : 16,222.95 = 6,450.36 : x
  2. Step 2: Convert to fraction form
    11,755.68/16,222.95 = 6,450.36/x
  3. Step 3: Cross multiply
    11,755.68x = 16,222.95 × 6,450.36
  4. Step 4: Simplify right side
    11,755.68x = 104,643,867.76
  5. Step 5: Solve for x
    x = 104,643,867.76/11,755.68
  6. Step 6: Final answer
    x = 8,901.56

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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.