Home / 12,136.10-18,203.52-4,236.17

Finding the Fourth Proportional to 12,136.10, 18,203.52 and 4,236.17

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Solution

The fourth proportional to 12,136.10, 18,203.52 and 4,236.17 is: 6,354.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,136.10 : 18,203.52 = 4,236.17 : x
  2. Step 2: Convert to fraction form
    12,136.10/18,203.52 = 4,236.17/x
  3. Step 3: Cross multiply
    12,136.10x = 18,203.52 × 4,236.17
  4. Step 4: Simplify right side
    12,136.10x = 77,113,114.30
  5. Step 5: Solve for x
    x = 77,113,114.30/12,136.10
  6. Step 6: Final answer
    x = 6,354.03

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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.