Home / 11,976.45-16,407.81-11,527.52

Finding the Fourth Proportional to 11,976.45, 16,407.81 and 11,527.52

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Solution

The fourth proportional to 11,976.45, 16,407.81 and 11,527.52 is: 15,792.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,976.45 : 16,407.81 = 11,527.52 : x
  2. Step 2: Convert to fraction form
    11,976.45/16,407.81 = 11,527.52/x
  3. Step 3: Cross multiply
    11,976.45x = 16,407.81 × 11,527.52
  4. Step 4: Simplify right side
    11,976.45x = 189,141,381.91
  5. Step 5: Solve for x
    x = 189,141,381.91/11,976.45
  6. Step 6: Final answer
    x = 15,792.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.