Home / 10,324.25-15,485.75-3,661.08

Finding the Fourth Proportional to 10,324.25, 15,485.75 and 3,661.08

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Solution

The fourth proportional to 10,324.25, 15,485.75 and 3,661.08 is: 5,491.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,324.25 : 15,485.75 = 3,661.08 : x
  2. Step 2: Convert to fraction form
    10,324.25/15,485.75 = 3,661.08/x
  3. Step 3: Cross multiply
    10,324.25x = 15,485.75 × 3,661.08
  4. Step 4: Simplify right side
    10,324.25x = 56,694,578.76
  5. Step 5: Solve for x
    x = 56,694,578.76/10,324.25
  6. Step 6: Final answer
    x = 5,491.40

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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.