Home / 9,872.62-13,624.40-5,396.24

Finding the Fourth Proportional to 9,872.62, 13,624.40 and 5,396.24

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Solution

The fourth proportional to 9,872.62, 13,624.40 and 5,396.24 is: 7,446.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,872.62 : 13,624.40 = 5,396.24 : x
  2. Step 2: Convert to fraction form
    9,872.62/13,624.40 = 5,396.24/x
  3. Step 3: Cross multiply
    9,872.62x = 13,624.40 × 5,396.24
  4. Step 4: Simplify right side
    9,872.62x = 73,520,532.26
  5. Step 5: Solve for x
    x = 73,520,532.26/9,872.62
  6. Step 6: Final answer
    x = 7,446.91

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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.