Home / 7,813.82-11,722.40-4,483.60

Finding the Fourth Proportional to 7,813.82, 11,722.40 and 4,483.60

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Solution

The fourth proportional to 7,813.82, 11,722.40 and 4,483.60 is: 6,726.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,813.82 : 11,722.40 = 4,483.60 : x
  2. Step 2: Convert to fraction form
    7,813.82/11,722.40 = 4,483.60/x
  3. Step 3: Cross multiply
    7,813.82x = 11,722.40 × 4,483.60
  4. Step 4: Simplify right side
    7,813.82x = 52,558,552.64
  5. Step 5: Solve for x
    x = 52,558,552.64/7,813.82
  6. Step 6: Final answer
    x = 6,726.36

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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.