Home / 11,969.22-16,516.87-6,590.61

Finding the Fourth Proportional to 11,969.22, 16,516.87 and 6,590.61

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Solution

The fourth proportional to 11,969.22, 16,516.87 and 6,590.61 is: 9,094.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,969.22 : 16,516.87 = 6,590.61 : x
  2. Step 2: Convert to fraction form
    11,969.22/16,516.87 = 6,590.61/x
  3. Step 3: Cross multiply
    11,969.22x = 16,516.87 × 6,590.61
  4. Step 4: Simplify right side
    11,969.22x = 108,856,232.11
  5. Step 5: Solve for x
    x = 108,856,232.11/11,969.22
  6. Step 6: Final answer
    x = 9,094.68

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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.