Home / 9,943.87-13,722.55-5,467.70

Finding the Fourth Proportional to 9,943.87, 13,722.55 and 5,467.70

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Solution

The fourth proportional to 9,943.87, 13,722.55 and 5,467.70 is: 7,545.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,943.87 : 13,722.55 = 5,467.70 : x
  2. Step 2: Convert to fraction form
    9,943.87/13,722.55 = 5,467.70/x
  3. Step 3: Cross multiply
    9,943.87x = 13,722.55 × 5,467.70
  4. Step 4: Simplify right side
    9,943.87x = 75,030,786.64
  5. Step 5: Solve for x
    x = 75,030,786.64/9,943.87
  6. Step 6: Final answer
    x = 7,545.43

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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.