Home / 11,356.87-17,021.52-6,078.91

Finding the Fourth Proportional to 11,356.87, 17,021.52 and 6,078.91

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Solution

The fourth proportional to 11,356.87, 17,021.52 and 6,078.91 is: 9,110.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,356.87 : 17,021.52 = 6,078.91 : x
  2. Step 2: Convert to fraction form
    11,356.87/17,021.52 = 6,078.91/x
  3. Step 3: Cross multiply
    11,356.87x = 17,021.52 × 6,078.91
  4. Step 4: Simplify right side
    11,356.87x = 103,472,288.14
  5. Step 5: Solve for x
    x = 103,472,288.14/11,356.87
  6. Step 6: Final answer
    x = 9,110.99

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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.