Home / 11,415.67-17,124.86-4,394.05

Finding the Fourth Proportional to 11,415.67, 17,124.86 and 4,394.05

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Solution

The fourth proportional to 11,415.67, 17,124.86 and 4,394.05 is: 6,591.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,415.67 : 17,124.86 = 4,394.05 : x
  2. Step 2: Convert to fraction form
    11,415.67/17,124.86 = 4,394.05/x
  3. Step 3: Cross multiply
    11,415.67x = 17,124.86 × 4,394.05
  4. Step 4: Simplify right side
    11,415.67x = 75,247,491.08
  5. Step 5: Solve for x
    x = 75,247,491.08/11,415.67
  6. Step 6: Final answer
    x = 6,591.60

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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.