Home / 11,175.14-16,762.69-2,855.16

Finding the Fourth Proportional to 11,175.14, 16,762.69 and 2,855.16

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Solution

The fourth proportional to 11,175.14, 16,762.69 and 2,855.16 is: 4,282.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,175.14 : 16,762.69 = 2,855.16 : x
  2. Step 2: Convert to fraction form
    11,175.14/16,762.69 = 2,855.16/x
  3. Step 3: Cross multiply
    11,175.14x = 16,762.69 × 2,855.16
  4. Step 4: Simplify right side
    11,175.14x = 47,860,154.84
  5. Step 5: Solve for x
    x = 47,860,154.84/11,175.14
  6. Step 6: Final answer
    x = 4,282.74

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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.