Home / 11,923.53-17,885.63-3,158.44

Finding the Fourth Proportional to 11,923.53, 17,885.63 and 3,158.44

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Solution

The fourth proportional to 11,923.53, 17,885.63 and 3,158.44 is: 4,737.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,923.53 : 17,885.63 = 3,158.44 : x
  2. Step 2: Convert to fraction form
    11,923.53/17,885.63 = 3,158.44/x
  3. Step 3: Cross multiply
    11,923.53x = 17,885.63 × 3,158.44
  4. Step 4: Simplify right side
    11,923.53x = 56,490,634.63
  5. Step 5: Solve for x
    x = 56,490,634.63/11,923.53
  6. Step 6: Final answer
    x = 4,737.75

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1.5x scale

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.