Home / 11,290.36-16,935.54-4,712.96

Finding the Fourth Proportional to 11,290.36, 16,935.54 and 4,712.96

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Solution

The fourth proportional to 11,290.36, 16,935.54 and 4,712.96 is: 7,069.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290.36 : 16,935.54 = 4,712.96 : x
  2. Step 2: Convert to fraction form
    11,290.36/16,935.54 = 4,712.96/x
  3. Step 3: Cross multiply
    11,290.36x = 16,935.54 × 4,712.96
  4. Step 4: Simplify right side
    11,290.36x = 79,816,519.10
  5. Step 5: Solve for x
    x = 79,816,519.10/11,290.36
  6. Step 6: Final answer
    x = 7,069.44

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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.