Home / 11,623.28-17,434.76-2,858.12

Finding the Fourth Proportional to 11,623.28, 17,434.76 and 2,858.12

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Solution

The fourth proportional to 11,623.28, 17,434.76 and 2,858.12 is: 4,287.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,623.28 : 17,434.76 = 2,858.12 : x
  2. Step 2: Convert to fraction form
    11,623.28/17,434.76 = 2,858.12/x
  3. Step 3: Cross multiply
    11,623.28x = 17,434.76 × 2,858.12
  4. Step 4: Simplify right side
    11,623.28x = 49,830,534.79
  5. Step 5: Solve for x
    x = 49,830,534.79/11,623.28
  6. Step 6: Final answer
    x = 4,287.13

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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.