Home / 11,717.48-17,575.14-6,771.62

Finding the Fourth Proportional to 11,717.48, 17,575.14 and 6,771.62

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Solution

The fourth proportional to 11,717.48, 17,575.14 and 6,771.62 is: 10,156.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,717.48 : 17,575.14 = 6,771.62 : x
  2. Step 2: Convert to fraction form
    11,717.48/17,575.14 = 6,771.62/x
  3. Step 3: Cross multiply
    11,717.48x = 17,575.14 × 6,771.62
  4. Step 4: Simplify right side
    11,717.48x = 119,012,169.53
  5. Step 5: Solve for x
    x = 119,012,169.53/11,717.48
  6. Step 6: Final answer
    x = 10,156.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.