Home / 10,904.38-16,352.88-7,619.02

Finding the Fourth Proportional to 10,904.38, 16,352.88 and 7,619.02

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Solution

The fourth proportional to 10,904.38, 16,352.88 and 7,619.02 is: 11,425.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,904.38 : 16,352.88 = 7,619.02 : x
  2. Step 2: Convert to fraction form
    10,904.38/16,352.88 = 7,619.02/x
  3. Step 3: Cross multiply
    10,904.38x = 16,352.88 × 7,619.02
  4. Step 4: Simplify right side
    10,904.38x = 124,592,919.78
  5. Step 5: Solve for x
    x = 124,592,919.78/10,904.38
  6. Step 6: Final answer
    x = 11,425.95

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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.