Home / 11,296.88-16,943.24-4,721.30

Finding the Fourth Proportional to 11,296.88, 16,943.24 and 4,721.30

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Solution

The fourth proportional to 11,296.88, 16,943.24 and 4,721.30 is: 7,081.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,296.88 : 16,943.24 = 4,721.30 : x
  2. Step 2: Convert to fraction form
    11,296.88/16,943.24 = 4,721.30/x
  3. Step 3: Cross multiply
    11,296.88x = 16,943.24 × 4,721.30
  4. Step 4: Simplify right side
    11,296.88x = 79,994,119.01
  5. Step 5: Solve for x
    x = 79,994,119.01/11,296.88
  6. Step 6: Final answer
    x = 7,081.08

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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.