Home / 11,648.12-16,074.69-6,343.22

Finding the Fourth Proportional to 11,648.12, 16,074.69 and 6,343.22

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Solution

The fourth proportional to 11,648.12, 16,074.69 and 6,343.22 is: 8,753.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,648.12 : 16,074.69 = 6,343.22 : x
  2. Step 2: Convert to fraction form
    11,648.12/16,074.69 = 6,343.22/x
  3. Step 3: Cross multiply
    11,648.12x = 16,074.69 × 6,343.22
  4. Step 4: Simplify right side
    11,648.12x = 101,965,311.50
  5. Step 5: Solve for x
    x = 101,965,311.50/11,648.12
  6. Step 6: Final answer
    x = 8,753.80

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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.