Home / 9,943.20-13,721.76-5,964.48

Finding the Fourth Proportional to 9,943.20, 13,721.76 and 5,964.48

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Solution

The fourth proportional to 9,943.20, 13,721.76 and 5,964.48 is: 8,231.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,943.20 : 13,721.76 = 5,964.48 : x
  2. Step 2: Convert to fraction form
    9,943.20/13,721.76 = 5,964.48/x
  3. Step 3: Cross multiply
    9,943.20x = 13,721.76 × 5,964.48
  4. Step 4: Simplify right side
    9,943.20x = 81,843,163.08
  5. Step 5: Solve for x
    x = 81,843,163.08/9,943.20
  6. Step 6: Final answer
    x = 8,231.07

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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.