Home / 11,756.37-16,224.06-6,721.05

Finding the Fourth Proportional to 11,756.37, 16,224.06 and 6,721.05

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Solution

The fourth proportional to 11,756.37, 16,224.06 and 6,721.05 is: 9,275.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,756.37 : 16,224.06 = 6,721.05 : x
  2. Step 2: Convert to fraction form
    11,756.37/16,224.06 = 6,721.05/x
  3. Step 3: Cross multiply
    11,756.37x = 16,224.06 × 6,721.05
  4. Step 4: Simplify right side
    11,756.37x = 109,042,747.80
  5. Step 5: Solve for x
    x = 109,042,747.80/11,756.37
  6. Step 6: Final answer
    x = 9,275.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.