Home / 9,078.36-13,618.38-3,532.12

Finding the Fourth Proportional to 9,078.36, 13,618.38 and 3,532.12

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Solution

The fourth proportional to 9,078.36, 13,618.38 and 3,532.12 is: 5,298.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,078.36 : 13,618.38 = 3,532.12 : x
  2. Step 2: Convert to fraction form
    9,078.36/13,618.38 = 3,532.12/x
  3. Step 3: Cross multiply
    9,078.36x = 13,618.38 × 3,532.12
  4. Step 4: Simplify right side
    9,078.36x = 48,101,752.37
  5. Step 5: Solve for x
    x = 48,101,752.37/9,078.36
  6. Step 6: Final answer
    x = 5,298.51

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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.