Home / 9,872.68-13,624.27-5,396.43

Finding the Fourth Proportional to 9,872.68, 13,624.27 and 5,396.43

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Solution

The fourth proportional to 9,872.68, 13,624.27 and 5,396.43 is: 7,447.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,872.68 : 13,624.27 = 5,396.43 : x
  2. Step 2: Convert to fraction form
    9,872.68/13,624.27 = 5,396.43/x
  3. Step 3: Cross multiply
    9,872.68x = 13,624.27 × 5,396.43
  4. Step 4: Simplify right side
    9,872.68x = 73,522,419.36
  5. Step 5: Solve for x
    x = 73,522,419.36/9,872.68
  6. Step 6: Final answer
    x = 7,447.06

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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.