Home / 10,166.36-15,246.78-3,591.64

Finding the Fourth Proportional to 10,166.36, 15,246.78 and 3,591.64

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Solution

The fourth proportional to 10,166.36, 15,246.78 and 3,591.64 is: 5,386.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,166.36 : 15,246.78 = 3,591.64 : x
  2. Step 2: Convert to fraction form
    10,166.36/15,246.78 = 3,591.64/x
  3. Step 3: Cross multiply
    10,166.36x = 15,246.78 × 3,591.64
  4. Step 4: Simplify right side
    10,166.36x = 54,760,944.92
  5. Step 5: Solve for x
    x = 54,760,944.92/10,166.36
  6. Step 6: Final answer
    x = 5,386.48

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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.