Home / 7,623.51-11,436.95-2,429.38

Finding the Fourth Proportional to 7,623.51, 11,436.95 and 2,429.38

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Solution

The fourth proportional to 7,623.51, 11,436.95 and 2,429.38 is: 3,644.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623.51 : 11,436.95 = 2,429.38 : x
  2. Step 2: Convert to fraction form
    7,623.51/11,436.95 = 2,429.38/x
  3. Step 3: Cross multiply
    7,623.51x = 11,436.95 × 2,429.38
  4. Step 4: Simplify right side
    7,623.51x = 27,784,697.59
  5. Step 5: Solve for x
    x = 27,784,697.59/7,623.51
  6. Step 6: Final answer
    x = 3,644.61

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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.