Home / 10,190.36-15,275.82-3,260.12

Finding the Fourth Proportional to 10,190.36, 15,275.82 and 3,260.12

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Solution

The fourth proportional to 10,190.36, 15,275.82 and 3,260.12 is: 4,887.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,190.36 : 15,275.82 = 3,260.12 : x
  2. Step 2: Convert to fraction form
    10,190.36/15,275.82 = 3,260.12/x
  3. Step 3: Cross multiply
    10,190.36x = 15,275.82 × 3,260.12
  4. Step 4: Simplify right side
    10,190.36x = 49,801,006.30
  5. Step 5: Solve for x
    x = 49,801,006.30/10,190.36
  6. Step 6: Final answer
    x = 4,887.07

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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.