Home / 12,119.18-16,724.67-6,742.04

Finding the Fourth Proportional to 12,119.18, 16,724.67 and 6,742.04

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Solution

The fourth proportional to 12,119.18, 16,724.67 and 6,742.04 is: 9,304.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,119.18 : 16,724.67 = 6,742.04 : x
  2. Step 2: Convert to fraction form
    12,119.18/16,724.67 = 6,742.04/x
  3. Step 3: Cross multiply
    12,119.18x = 16,724.67 × 6,742.04
  4. Step 4: Simplify right side
    12,119.18x = 112,758,394.13
  5. Step 5: Solve for x
    x = 112,758,394.13/12,119.18
  6. Step 6: Final answer
    x = 9,304.13

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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.