Home / 7,826.28-11,743.92-4,545.60

Finding the Fourth Proportional to 7,826.28, 11,743.92 and 4,545.60

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Solution

The fourth proportional to 7,826.28, 11,743.92 and 4,545.60 is: 6,821.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,826.28 : 11,743.92 = 4,545.60 : x
  2. Step 2: Convert to fraction form
    7,826.28/11,743.92 = 4,545.60/x
  3. Step 3: Cross multiply
    7,826.28x = 11,743.92 × 4,545.60
  4. Step 4: Simplify right side
    7,826.28x = 53,383,162.75
  5. Step 5: Solve for x
    x = 53,383,162.75/7,826.28
  6. Step 6: Final answer
    x = 6,821.01

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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.