Home / 11,666.15-16,098.69-6,629.68

Finding the Fourth Proportional to 11,666.15, 16,098.69 and 6,629.68

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Solution

The fourth proportional to 11,666.15, 16,098.69 and 6,629.68 is: 9,148.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,666.15 : 16,098.69 = 6,629.68 : x
  2. Step 2: Convert to fraction form
    11,666.15/16,098.69 = 6,629.68/x
  3. Step 3: Cross multiply
    11,666.15x = 16,098.69 × 6,629.68
  4. Step 4: Simplify right side
    11,666.15x = 106,729,122.87
  5. Step 5: Solve for x
    x = 106,729,122.87/11,666.15
  6. Step 6: Final answer
    x = 9,148.61

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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.