Home / 8,582.05-12,875.68-3,586.85

Finding the Fourth Proportional to 8,582.05, 12,875.68 and 3,586.85

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Solution

The fourth proportional to 8,582.05, 12,875.68 and 3,586.85 is: 5,381.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,582.05 : 12,875.68 = 3,586.85 : x
  2. Step 2: Convert to fraction form
    8,582.05/12,875.68 = 3,586.85/x
  3. Step 3: Cross multiply
    8,582.05x = 12,875.68 × 3,586.85
  4. Step 4: Simplify right side
    8,582.05x = 46,183,114.87
  5. Step 5: Solve for x
    x = 46,183,114.87/8,582.05
  6. Step 6: Final answer
    x = 5,381.36

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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.