Home / 11,751.14-16,217.32-7,765.26

Finding the Fourth Proportional to 11,751.14, 16,217.32 and 7,765.26

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Solution

The fourth proportional to 11,751.14, 16,217.32 and 7,765.26 is: 10,716.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,751.14 : 16,217.32 = 7,765.26 : x
  2. Step 2: Convert to fraction form
    11,751.14/16,217.32 = 7,765.26/x
  3. Step 3: Cross multiply
    11,751.14x = 16,217.32 × 7,765.26
  4. Step 4: Simplify right side
    11,751.14x = 125,931,706.30
  5. Step 5: Solve for x
    x = 125,931,706.30/11,751.14
  6. Step 6: Final answer
    x = 10,716.55

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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.