Home / 11,750.49-17,620.25-4,354.79

Finding the Fourth Proportional to 11,750.49, 17,620.25 and 4,354.79

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Solution

The fourth proportional to 11,750.49, 17,620.25 and 4,354.79 is: 6,530.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,750.49 : 17,620.25 = 4,354.79 : x
  2. Step 2: Convert to fraction form
    11,750.49/17,620.25 = 4,354.79/x
  3. Step 3: Cross multiply
    11,750.49x = 17,620.25 × 4,354.79
  4. Step 4: Simplify right side
    11,750.49x = 76,732,378.62
  5. Step 5: Solve for x
    x = 76,732,378.62/11,750.49
  6. Step 6: Final answer
    x = 6,530.14

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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.