Home / 12,119.53-18,174.63-4,723.02

Finding the Fourth Proportional to 12,119.53, 18,174.63 and 4,723.02

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Solution

The fourth proportional to 12,119.53, 18,174.63 and 4,723.02 is: 7,082.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,119.53 : 18,174.63 = 4,723.02 : x
  2. Step 2: Convert to fraction form
    12,119.53/18,174.63 = 4,723.02/x
  3. Step 3: Cross multiply
    12,119.53x = 18,174.63 × 4,723.02
  4. Step 4: Simplify right side
    12,119.53x = 85,839,050.11
  5. Step 5: Solve for x
    x = 85,839,050.11/12,119.53
  6. Step 6: Final answer
    x = 7,082.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.