Home / 11,864.53-17,794.77-3,972.50

Finding the Fourth Proportional to 11,864.53, 17,794.77 and 3,972.50

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Solution

The fourth proportional to 11,864.53, 17,794.77 and 3,972.50 is: 5,958.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,864.53 : 17,794.77 = 3,972.50 : x
  2. Step 2: Convert to fraction form
    11,864.53/17,794.77 = 3,972.50/x
  3. Step 3: Cross multiply
    11,864.53x = 17,794.77 × 3,972.50
  4. Step 4: Simplify right side
    11,864.53x = 70,689,723.83
  5. Step 5: Solve for x
    x = 70,689,723.83/11,864.53
  6. Step 6: Final answer
    x = 5,958.07

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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.