Home / 12,630.06-18,922.39-7,433.10

Finding the Fourth Proportional to 12,630.06, 18,922.39 and 7,433.10

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Solution

The fourth proportional to 12,630.06, 18,922.39 and 7,433.10 is: 11,136.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,630.06 : 18,922.39 = 7,433.10 : x
  2. Step 2: Convert to fraction form
    12,630.06/18,922.39 = 7,433.10/x
  3. Step 3: Cross multiply
    12,630.06x = 18,922.39 × 7,433.10
  4. Step 4: Simplify right side
    12,630.06x = 140,652,017.11
  5. Step 5: Solve for x
    x = 140,652,017.11/12,630.06
  6. Step 6: Final answer
    x = 11,136.29

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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.