Home / 12,073.40-18,103.62-3,749.84

Finding the Fourth Proportional to 12,073.40, 18,103.62 and 3,749.84

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Solution

The fourth proportional to 12,073.40, 18,103.62 and 3,749.84 is: 5,622.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,073.40 : 18,103.62 = 3,749.84 : x
  2. Step 2: Convert to fraction form
    12,073.40/18,103.62 = 3,749.84/x
  3. Step 3: Cross multiply
    12,073.40x = 18,103.62 × 3,749.84
  4. Step 4: Simplify right side
    12,073.40x = 67,885,678.42
  5. Step 5: Solve for x
    x = 67,885,678.42/12,073.40
  6. Step 6: Final answer
    x = 5,622.75

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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.