Home / 11,004.52-15,193.38-7,280.68

Finding the Fourth Proportional to 11,004.52, 15,193.38 and 7,280.68

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Solution

The fourth proportional to 11,004.52, 15,193.38 and 7,280.68 is: 10,052.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,004.52 : 15,193.38 = 7,280.68 : x
  2. Step 2: Convert to fraction form
    11,004.52/15,193.38 = 7,280.68/x
  3. Step 3: Cross multiply
    11,004.52x = 15,193.38 × 7,280.68
  4. Step 4: Simplify right side
    11,004.52x = 110,618,137.90
  5. Step 5: Solve for x
    x = 110,618,137.90/11,004.52
  6. Step 6: Final answer
    x = 10,052.06

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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.