Home / 9,620.20-14,431.65-3,045.70

Finding the Fourth Proportional to 9,620.20, 14,431.65 and 3,045.70

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Solution

The fourth proportional to 9,620.20, 14,431.65 and 3,045.70 is: 4,568.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,620.20 : 14,431.65 = 3,045.70 : x
  2. Step 2: Convert to fraction form
    9,620.20/14,431.65 = 3,045.70/x
  3. Step 3: Cross multiply
    9,620.20x = 14,431.65 × 3,045.70
  4. Step 4: Simplify right side
    9,620.20x = 43,954,476.41
  5. Step 5: Solve for x
    x = 43,954,476.41/9,620.20
  6. Step 6: Final answer
    x = 4,568.98

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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.