Home / 11,341.12-17,013.50-3,947.68

Finding the Fourth Proportional to 11,341.12, 17,013.50 and 3,947.68

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Solution

The fourth proportional to 11,341.12, 17,013.50 and 3,947.68 is: 5,922.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,341.12 : 17,013.50 = 3,947.68 : x
  2. Step 2: Convert to fraction form
    11,341.12/17,013.50 = 3,947.68/x
  3. Step 3: Cross multiply
    11,341.12x = 17,013.50 × 3,947.68
  4. Step 4: Simplify right side
    11,341.12x = 67,163,853.68
  5. Step 5: Solve for x
    x = 67,163,853.68/11,341.12
  6. Step 6: Final answer
    x = 5,922.15

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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.