Home / 9,943.43-13,722.02-5,467.21

Finding the Fourth Proportional to 9,943.43, 13,722.02 and 5,467.21

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Solution

The fourth proportional to 9,943.43, 13,722.02 and 5,467.21 is: 7,544.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,943.43 : 13,722.02 = 5,467.21 : x
  2. Step 2: Convert to fraction form
    9,943.43/13,722.02 = 5,467.21/x
  3. Step 3: Cross multiply
    9,943.43x = 13,722.02 × 5,467.21
  4. Step 4: Simplify right side
    9,943.43x = 75,021,164.96
  5. Step 5: Solve for x
    x = 75,021,164.96/9,943.43
  6. Step 6: Final answer
    x = 7,544.80

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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.