Home / 8,108.14-12,135.77-4,401.17

Finding the Fourth Proportional to 8,108.14, 12,135.77 and 4,401.17

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Solution

The fourth proportional to 8,108.14, 12,135.77 and 4,401.17 is: 6,587.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108.14 : 12,135.77 = 4,401.17 : x
  2. Step 2: Convert to fraction form
    8,108.14/12,135.77 = 4,401.17/x
  3. Step 3: Cross multiply
    8,108.14x = 12,135.77 × 4,401.17
  4. Step 4: Simplify right side
    8,108.14x = 53,411,586.85
  5. Step 5: Solve for x
    x = 53,411,586.85/8,108.14
  6. Step 6: Final answer
    x = 6,587.41

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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.