Home / 11,701.55-16,147.22-6,664.77

Finding the Fourth Proportional to 11,701.55, 16,147.22 and 6,664.77

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Solution

The fourth proportional to 11,701.55, 16,147.22 and 6,664.77 is: 9,196.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,701.55 : 16,147.22 = 6,664.77 : x
  2. Step 2: Convert to fraction form
    11,701.55/16,147.22 = 6,664.77/x
  3. Step 3: Cross multiply
    11,701.55x = 16,147.22 × 6,664.77
  4. Step 4: Simplify right side
    11,701.55x = 107,617,474.12
  5. Step 5: Solve for x
    x = 107,617,474.12/11,701.55
  6. Step 6: Final answer
    x = 9,196.85

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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.