Home / 8,500.86-12,749.27-3,570.59

Finding the Fourth Proportional to 8,500.86, 12,749.27 and 3,570.59

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Solution

The fourth proportional to 8,500.86, 12,749.27 and 3,570.59 is: 5,355.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,500.86 : 12,749.27 = 3,570.59 : x
  2. Step 2: Convert to fraction form
    8,500.86/12,749.27 = 3,570.59/x
  3. Step 3: Cross multiply
    8,500.86x = 12,749.27 × 3,570.59
  4. Step 4: Simplify right side
    8,500.86x = 45,522,429.99
  5. Step 5: Solve for x
    x = 45,522,429.99/8,500.86
  6. Step 6: Final answer
    x = 5,355.04

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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.