Home / 11,934.16-17,901.28-4,143.04

Finding the Fourth Proportional to 11,934.16, 17,901.28 and 4,143.04

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Solution

The fourth proportional to 11,934.16, 17,901.28 and 4,143.04 is: 6,214.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,934.16 : 17,901.28 = 4,143.04 : x
  2. Step 2: Convert to fraction form
    11,934.16/17,901.28 = 4,143.04/x
  3. Step 3: Cross multiply
    11,934.16x = 17,901.28 × 4,143.04
  4. Step 4: Simplify right side
    11,934.16x = 74,165,719.09
  5. Step 5: Solve for x
    x = 74,165,719.09/11,934.16
  6. Step 6: Final answer
    x = 6,214.57

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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.