Home / 11,974.50-16,525.28-6,938.64

Finding the Fourth Proportional to 11,974.50, 16,525.28 and 6,938.64

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Solution

The fourth proportional to 11,974.50, 16,525.28 and 6,938.64 is: 9,575.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,974.50 : 16,525.28 = 6,938.64 : x
  2. Step 2: Convert to fraction form
    11,974.50/16,525.28 = 6,938.64/x
  3. Step 3: Cross multiply
    11,974.50x = 16,525.28 × 6,938.64
  4. Step 4: Simplify right side
    11,974.50x = 114,662,968.82
  5. Step 5: Solve for x
    x = 114,662,968.82/11,974.50
  6. Step 6: Final answer
    x = 9,575.60

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