Home / 11,419.74-15,758.91-6,383.97

Finding the Fourth Proportional to 11,419.74, 15,758.91 and 6,383.97

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Solution

The fourth proportional to 11,419.74, 15,758.91 and 6,383.97 is: 8,809.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,419.74 : 15,758.91 = 6,383.97 : x
  2. Step 2: Convert to fraction form
    11,419.74/15,758.91 = 6,383.97/x
  3. Step 3: Cross multiply
    11,419.74x = 15,758.91 × 6,383.97
  4. Step 4: Simplify right side
    11,419.74x = 100,604,408.67
  5. Step 5: Solve for x
    x = 100,604,408.67/11,419.74
  6. Step 6: Final answer
    x = 8,809.69

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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.