Home / 12,114.08-16,717.34-6,808.88

Finding the Fourth Proportional to 12,114.08, 16,717.34 and 6,808.88

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Solution

The fourth proportional to 12,114.08, 16,717.34 and 6,808.88 is: 9,396.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,114.08 : 16,717.34 = 6,808.88 : x
  2. Step 2: Convert to fraction form
    12,114.08/16,717.34 = 6,808.88/x
  3. Step 3: Cross multiply
    12,114.08x = 16,717.34 × 6,808.88
  4. Step 4: Simplify right side
    12,114.08x = 113,826,361.98
  5. Step 5: Solve for x
    x = 113,826,361.98/12,114.08
  6. Step 6: Final answer
    x = 9,396.20

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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.