Home / 11,146.02-15,380.95-6,672.22

Finding the Fourth Proportional to 11,146.02, 15,380.95 and 6,672.22

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Solution

The fourth proportional to 11,146.02, 15,380.95 and 6,672.22 is: 9,207.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146.02 : 15,380.95 = 6,672.22 : x
  2. Step 2: Convert to fraction form
    11,146.02/15,380.95 = 6,672.22/x
  3. Step 3: Cross multiply
    11,146.02x = 15,380.95 × 6,672.22
  4. Step 4: Simplify right side
    11,146.02x = 102,625,082.21
  5. Step 5: Solve for x
    x = 102,625,082.21/11,146.02
  6. Step 6: Final answer
    x = 9,207.33

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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.