Home / 12,184.44-16,814.16-6,878.94

Finding the Fourth Proportional to 12,184.44, 16,814.16 and 6,878.94

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Solution

The fourth proportional to 12,184.44, 16,814.16 and 6,878.94 is: 9,492.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,184.44 : 16,814.16 = 6,878.94 : x
  2. Step 2: Convert to fraction form
    12,184.44/16,814.16 = 6,878.94/x
  3. Step 3: Cross multiply
    12,184.44x = 16,814.16 × 6,878.94
  4. Step 4: Simplify right side
    12,184.44x = 115,663,597.79
  5. Step 5: Solve for x
    x = 115,663,597.79/12,184.44
  6. Step 6: Final answer
    x = 9,492.73

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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.