Home / 11,078.99-15,288.81-6,043.25

Finding the Fourth Proportional to 11,078.99, 15,288.81 and 6,043.25

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Solution

The fourth proportional to 11,078.99, 15,288.81 and 6,043.25 is: 8,339.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078.99 : 15,288.81 = 6,043.25 : x
  2. Step 2: Convert to fraction form
    11,078.99/15,288.81 = 6,043.25/x
  3. Step 3: Cross multiply
    11,078.99x = 15,288.81 × 6,043.25
  4. Step 4: Simplify right side
    11,078.99x = 92,394,024.59
  5. Step 5: Solve for x
    x = 92,394,024.59/11,078.99
  6. Step 6: Final answer
    x = 8,339.57

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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.