Home / 12,184.11-16,814.01-6,878.82

Finding the Fourth Proportional to 12,184.11, 16,814.01 and 6,878.82

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Solution

The fourth proportional to 12,184.11, 16,814.01 and 6,878.82 is: 9,492.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,184.11 : 16,814.01 = 6,878.82 : x
  2. Step 2: Convert to fraction form
    12,184.11/16,814.01 = 6,878.82/x
  3. Step 3: Cross multiply
    12,184.11x = 16,814.01 × 6,878.82
  4. Step 4: Simplify right side
    12,184.11x = 115,660,548.27
  5. Step 5: Solve for x
    x = 115,660,548.27/12,184.11
  6. Step 6: Final answer
    x = 9,492.74

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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.