Home / 11,759.11-16,240.93-7,975.69

Finding the Fourth Proportional to 11,759.11, 16,240.93 and 7,975.69

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Solution

The fourth proportional to 11,759.11, 16,240.93 and 7,975.69 is: 11,015.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,759.11 : 16,240.93 = 7,975.69 : x
  2. Step 2: Convert to fraction form
    11,759.11/16,240.93 = 7,975.69/x
  3. Step 3: Cross multiply
    11,759.11x = 16,240.93 × 7,975.69
  4. Step 4: Simplify right side
    11,759.11x = 129,532,562.45
  5. Step 5: Solve for x
    x = 129,532,562.45/11,759.11
  6. Step 6: Final answer
    x = 11,015.51

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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.