Home / 11,948.94-17,911.71-6,686.52

Finding the Fourth Proportional to 11,948.94, 17,911.71 and 6,686.52

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Solution

The fourth proportional to 11,948.94, 17,911.71 and 6,686.52 is: 10,023.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,948.94 : 17,911.71 = 6,686.52 : x
  2. Step 2: Convert to fraction form
    11,948.94/17,911.71 = 6,686.52/x
  3. Step 3: Cross multiply
    11,948.94x = 17,911.71 × 6,686.52
  4. Step 4: Simplify right side
    11,948.94x = 119,767,007.15
  5. Step 5: Solve for x
    x = 119,767,007.15/11,948.94
  6. Step 6: Final answer
    x = 10,023.23

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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.