Home / 11,965.18-16,514.70-7,766.14

Finding the Fourth Proportional to 11,965.18, 16,514.70 and 7,766.14

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Solution

The fourth proportional to 11,965.18, 16,514.70 and 7,766.14 is: 10,719.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,965.18 : 16,514.70 = 7,766.14 : x
  2. Step 2: Convert to fraction form
    11,965.18/16,514.70 = 7,766.14/x
  3. Step 3: Cross multiply
    11,965.18x = 16,514.70 × 7,766.14
  4. Step 4: Simplify right side
    11,965.18x = 128,255,472.26
  5. Step 5: Solve for x
    x = 128,255,472.26/11,965.18
  6. Step 6: Final answer
    x = 10,719.06

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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.