Home / 11,579.93-15,974.40-7,323.81

Finding the Fourth Proportional to 11,579.93, 15,974.40 and 7,323.81

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Solution

The fourth proportional to 11,579.93, 15,974.40 and 7,323.81 is: 10,103.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,579.93 : 15,974.40 = 7,323.81 : x
  2. Step 2: Convert to fraction form
    11,579.93/15,974.40 = 7,323.81/x
  3. Step 3: Cross multiply
    11,579.93x = 15,974.40 × 7,323.81
  4. Step 4: Simplify right side
    11,579.93x = 116,993,470.46
  5. Step 5: Solve for x
    x = 116,993,470.46/11,579.93
  6. Step 6: Final answer
    x = 10,103.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.