Home / 12,184.57-18,286.47-6,261.22

Finding the Fourth Proportional to 12,184.57, 18,286.47 and 6,261.22

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Solution

The fourth proportional to 12,184.57, 18,286.47 and 6,261.22 is: 9,396.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,184.57 : 18,286.47 = 6,261.22 : x
  2. Step 2: Convert to fraction form
    12,184.57/18,286.47 = 6,261.22/x
  3. Step 3: Cross multiply
    12,184.57x = 18,286.47 × 6,261.22
  4. Step 4: Simplify right side
    12,184.57x = 114,495,611.69
  5. Step 5: Solve for x
    x = 114,495,611.69/12,184.57
  6. Step 6: Final answer
    x = 9,396.77

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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.