Home / 12,027.96-18,038.52-5,100.84

Finding the Fourth Proportional to 12,027.96, 18,038.52 and 5,100.84

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Solution

The fourth proportional to 12,027.96, 18,038.52 and 5,100.84 is: 7,649.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,027.96 : 18,038.52 = 5,100.84 : x
  2. Step 2: Convert to fraction form
    12,027.96/18,038.52 = 5,100.84/x
  3. Step 3: Cross multiply
    12,027.96x = 18,038.52 × 5,100.84
  4. Step 4: Simplify right side
    12,027.96x = 92,011,604.36
  5. Step 5: Solve for x
    x = 92,011,604.36/12,027.96
  6. Step 6: Final answer
    x = 7,649.81

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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.