Home / 12,682.50-19,027.79-6,109.35

Finding the Fourth Proportional to 12,682.50, 19,027.79 and 6,109.35

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Solution

The fourth proportional to 12,682.50, 19,027.79 and 6,109.35 is: 9,165.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,682.50 : 19,027.79 = 6,109.35 : x
  2. Step 2: Convert to fraction form
    12,682.50/19,027.79 = 6,109.35/x
  3. Step 3: Cross multiply
    12,682.50x = 19,027.79 × 6,109.35
  4. Step 4: Simplify right side
    12,682.50x = 116,247,428.84
  5. Step 5: Solve for x
    x = 116,247,428.84/12,682.50
  6. Step 6: Final answer
    x = 9,165.97

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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.