Home / 8,317.98-12,468.09-4,149.77

Finding the Fourth Proportional to 8,317.98, 12,468.09 and 4,149.77

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Solution

The fourth proportional to 8,317.98, 12,468.09 and 4,149.77 is: 6,220.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317.98 : 12,468.09 = 4,149.77 : x
  2. Step 2: Convert to fraction form
    8,317.98/12,468.09 = 4,149.77/x
  3. Step 3: Cross multiply
    8,317.98x = 12,468.09 × 4,149.77
  4. Step 4: Simplify right side
    8,317.98x = 51,739,737.01
  5. Step 5: Solve for x
    x = 51,739,737.01/8,317.98
  6. Step 6: Final answer
    x = 6,220.23

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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.