Home / 12,466.15-18,686.07-4,143.94

Finding the Fourth Proportional to 12,466.15, 18,686.07 and 4,143.94

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Solution

The fourth proportional to 12,466.15, 18,686.07 and 4,143.94 is: 6,211.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,466.15 : 18,686.07 = 4,143.94 : x
  2. Step 2: Convert to fraction form
    12,466.15/18,686.07 = 4,143.94/x
  3. Step 3: Cross multiply
    12,466.15x = 18,686.07 × 4,143.94
  4. Step 4: Simplify right side
    12,466.15x = 77,433,906.20
  5. Step 5: Solve for x
    x = 77,433,906.20/12,466.15
  6. Step 6: Final answer
    x = 6,211.53

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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.