Home / 9,194.07-12,687.64-5,105.73

Finding the Fourth Proportional to 9,194.07, 12,687.64 and 5,105.73

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Solution

The fourth proportional to 9,194.07, 12,687.64 and 5,105.73 is: 7,045.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,194.07 : 12,687.64 = 5,105.73 : x
  2. Step 2: Convert to fraction form
    9,194.07/12,687.64 = 5,105.73/x
  3. Step 3: Cross multiply
    9,194.07x = 12,687.64 × 5,105.73
  4. Step 4: Simplify right side
    9,194.07x = 64,779,664.18
  5. Step 5: Solve for x
    x = 64,779,664.18/9,194.07
  6. Step 6: Final answer
    x = 7,045.81

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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.