Home / 8,579.73-11,840.12-5,043

Finding the Fourth Proportional to 8,579.73, 11,840.12 and 5,043

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Solution

The fourth proportional to 8,579.73, 11,840.12 and 5,043 is: 6,959.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579.73 : 11,840.12 = 5,043 : x
  2. Step 2: Convert to fraction form
    8,579.73/11,840.12 = 5,043/x
  3. Step 3: Cross multiply
    8,579.73x = 11,840.12 × 5,043
  4. Step 4: Simplify right side
    8,579.73x = 59,709,699.95
  5. Step 5: Solve for x
    x = 59,709,699.95/8,579.73
  6. Step 6: Final answer
    x = 6,959.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.