Home / 11,947.51-17,921.72-6,097.29

Finding the Fourth Proportional to 11,947.51, 17,921.72 and 6,097.29

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Solution

The fourth proportional to 11,947.51, 17,921.72 and 6,097.29 is: 9,146.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,947.51 : 17,921.72 = 6,097.29 : x
  2. Step 2: Convert to fraction form
    11,947.51/17,921.72 = 6,097.29/x
  3. Step 3: Cross multiply
    11,947.51x = 17,921.72 × 6,097.29
  4. Step 4: Simplify right side
    11,947.51x = 109,273,834.53
  5. Step 5: Solve for x
    x = 109,273,834.53/11,947.51
  6. Step 6: Final answer
    x = 9,146.16

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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.