Home / 11,286.75-15,575.47-6,250.68

Finding the Fourth Proportional to 11,286.75, 15,575.47 and 6,250.68

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Solution

The fourth proportional to 11,286.75, 15,575.47 and 6,250.68 is: 8,625.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,286.75 : 15,575.47 = 6,250.68 : x
  2. Step 2: Convert to fraction form
    11,286.75/15,575.47 = 6,250.68/x
  3. Step 3: Cross multiply
    11,286.75x = 15,575.47 × 6,250.68
  4. Step 4: Simplify right side
    11,286.75x = 97,357,169.69
  5. Step 5: Solve for x
    x = 97,357,169.69/11,286.75
  6. Step 6: Final answer
    x = 8,625.79

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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.