Home / 11,583.64-15,985.40-6,278.44

Finding the Fourth Proportional to 11,583.64, 15,985.40 and 6,278.44

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Solution

The fourth proportional to 11,583.64, 15,985.40 and 6,278.44 is: 8,664.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,583.64 : 15,985.40 = 6,278.44 : x
  2. Step 2: Convert to fraction form
    11,583.64/15,985.40 = 6,278.44/x
  3. Step 3: Cross multiply
    11,583.64x = 15,985.40 × 6,278.44
  4. Step 4: Simplify right side
    11,583.64x = 100,363,374.78
  5. Step 5: Solve for x
    x = 100,363,374.78/11,583.64
  6. Step 6: Final answer
    x = 8,664.23

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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.