Home / 11,415.84-17,125.13-4,394.22

Finding the Fourth Proportional to 11,415.84, 17,125.13 and 4,394.22

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Solution

The fourth proportional to 11,415.84, 17,125.13 and 4,394.22 is: 6,591.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,415.84 : 17,125.13 = 4,394.22 : x
  2. Step 2: Convert to fraction form
    11,415.84/17,125.13 = 4,394.22/x
  3. Step 3: Cross multiply
    11,415.84x = 17,125.13 × 4,394.22
  4. Step 4: Simplify right side
    11,415.84x = 75,251,588.75
  5. Step 5: Solve for x
    x = 75,251,588.75/11,415.84
  6. Step 6: Final answer
    x = 6,591.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.