Home / 8,355.12-12,532.68-2,511.58

Finding the Fourth Proportional to 8,355.12, 12,532.68 and 2,511.58

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Solution

The fourth proportional to 8,355.12, 12,532.68 and 2,511.58 is: 3,767.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,355.12 : 12,532.68 = 2,511.58 : x
  2. Step 2: Convert to fraction form
    8,355.12/12,532.68 = 2,511.58/x
  3. Step 3: Cross multiply
    8,355.12x = 12,532.68 × 2,511.58
  4. Step 4: Simplify right side
    8,355.12x = 31,476,828.43
  5. Step 5: Solve for x
    x = 31,476,828.43/8,355.12
  6. Step 6: Final answer
    x = 3,767.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.