Home / 7,826.32-11,739.54-2,632.12

Finding the Fourth Proportional to 7,826.32, 11,739.54 and 2,632.12

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Solution

The fourth proportional to 7,826.32, 11,739.54 and 2,632.12 is: 3,948.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,826.32 : 11,739.54 = 2,632.12 : x
  2. Step 2: Convert to fraction form
    7,826.32/11,739.54 = 2,632.12/x
  3. Step 3: Cross multiply
    7,826.32x = 11,739.54 × 2,632.12
  4. Step 4: Simplify right side
    7,826.32x = 30,899,878.02
  5. Step 5: Solve for x
    x = 30,899,878.02/7,826.32
  6. Step 6: Final answer
    x = 3,948.20

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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.