Home / 8,535.76-12,797.79-4,372.36

Finding the Fourth Proportional to 8,535.76, 12,797.79 and 4,372.36

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Solution

The fourth proportional to 8,535.76, 12,797.79 and 4,372.36 is: 6,555.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,535.76 : 12,797.79 = 4,372.36 : x
  2. Step 2: Convert to fraction form
    8,535.76/12,797.79 = 4,372.36/x
  3. Step 3: Cross multiply
    8,535.76x = 12,797.79 × 4,372.36
  4. Step 4: Simplify right side
    8,535.76x = 55,956,545.08
  5. Step 5: Solve for x
    x = 55,956,545.08/8,535.76
  6. Step 6: Final answer
    x = 6,555.54

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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.