Home / 11,688.73-16,129.99-6,584.14

Finding the Fourth Proportional to 11,688.73, 16,129.99 and 6,584.14

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Solution

The fourth proportional to 11,688.73, 16,129.99 and 6,584.14 is: 9,085.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688.73 : 16,129.99 = 6,584.14 : x
  2. Step 2: Convert to fraction form
    11,688.73/16,129.99 = 6,584.14/x
  3. Step 3: Cross multiply
    11,688.73x = 16,129.99 × 6,584.14
  4. Step 4: Simplify right side
    11,688.73x = 106,202,140.75
  5. Step 5: Solve for x
    x = 106,202,140.75/11,688.73
  6. Step 6: Final answer
    x = 9,085.86

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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.