Home / 11,942.16-17,913.28-4,151.04

Finding the Fourth Proportional to 11,942.16, 17,913.28 and 4,151.04

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Solution

The fourth proportional to 11,942.16, 17,913.28 and 4,151.04 is: 6,226.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942.16 : 17,913.28 = 4,151.04 : x
  2. Step 2: Convert to fraction form
    11,942.16/17,913.28 = 4,151.04/x
  3. Step 3: Cross multiply
    11,942.16x = 17,913.28 × 4,151.04
  4. Step 4: Simplify right side
    11,942.16x = 74,358,741.81
  5. Step 5: Solve for x
    x = 74,358,741.81/11,942.16
  6. Step 6: Final answer
    x = 6,226.57

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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.