Home / 11,175.12-16,762.68-2,854.85

Finding the Fourth Proportional to 11,175.12, 16,762.68 and 2,854.85

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Solution

The fourth proportional to 11,175.12, 16,762.68 and 2,854.85 is: 4,282.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,175.12 : 16,762.68 = 2,854.85 : x
  2. Step 2: Convert to fraction form
    11,175.12/16,762.68 = 2,854.85/x
  3. Step 3: Cross multiply
    11,175.12x = 16,762.68 × 2,854.85
  4. Step 4: Simplify right side
    11,175.12x = 47,854,937.00
  5. Step 5: Solve for x
    x = 47,854,937.00/11,175.12
  6. Step 6: Final answer
    x = 4,282.28

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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.