Home / 12,137.70-16,751.60-6,833.55

Finding the Fourth Proportional to 12,137.70, 16,751.60 and 6,833.55

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Solution

The fourth proportional to 12,137.70, 16,751.60 and 6,833.55 is: 9,431.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,137.70 : 16,751.60 = 6,833.55 : x
  2. Step 2: Convert to fraction form
    12,137.70/16,751.60 = 6,833.55/x
  3. Step 3: Cross multiply
    12,137.70x = 16,751.60 × 6,833.55
  4. Step 4: Simplify right side
    12,137.70x = 114,472,862.01
  5. Step 5: Solve for x
    x = 114,472,862.01/12,137.70
  6. Step 6: Final answer
    x = 9,431.18

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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.