Home / 11,620.14-17,432.69-3,302.70

Finding the Fourth Proportional to 11,620.14, 17,432.69 and 3,302.70

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Solution

The fourth proportional to 11,620.14, 17,432.69 and 3,302.70 is: 4,954.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,620.14 : 17,432.69 = 3,302.70 : x
  2. Step 2: Convert to fraction form
    11,620.14/17,432.69 = 3,302.70/x
  3. Step 3: Cross multiply
    11,620.14x = 17,432.69 × 3,302.70
  4. Step 4: Simplify right side
    11,620.14x = 57,574,928.75
  5. Step 5: Solve for x
    x = 57,574,928.75/11,620.14
  6. Step 6: Final answer
    x = 4,954.75

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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.