Home / 7,469.88-11,186.34-4,340.40

Finding the Fourth Proportional to 7,469.88, 11,186.34 and 4,340.40

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Solution

The fourth proportional to 7,469.88, 11,186.34 and 4,340.40 is: 6,499.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,469.88 : 11,186.34 = 4,340.40 : x
  2. Step 2: Convert to fraction form
    7,469.88/11,186.34 = 4,340.40/x
  3. Step 3: Cross multiply
    7,469.88x = 11,186.34 × 4,340.40
  4. Step 4: Simplify right side
    7,469.88x = 48,553,190.14
  5. Step 5: Solve for x
    x = 48,553,190.14/7,469.88
  6. Step 6: Final answer
    x = 6,499.86

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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.