Home / 11,717.46-16,171.65-7,537.86

Finding the Fourth Proportional to 11,717.46, 16,171.65 and 7,537.86

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Solution

The fourth proportional to 11,717.46, 16,171.65 and 7,537.86 is: 10,403.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,717.46 : 16,171.65 = 7,537.86 : x
  2. Step 2: Convert to fraction form
    11,717.46/16,171.65 = 7,537.86/x
  3. Step 3: Cross multiply
    11,717.46x = 16,171.65 × 7,537.86
  4. Step 4: Simplify right side
    11,717.46x = 121,899,633.67
  5. Step 5: Solve for x
    x = 121,899,633.67/11,717.46
  6. Step 6: Final answer
    x = 10,403.25

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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.