Home / 8,031.21-12,048.60-2,408.66

Finding the Fourth Proportional to 8,031.21, 12,048.60 and 2,408.66

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Solution

The fourth proportional to 8,031.21, 12,048.60 and 2,408.66 is: 3,613.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,031.21 : 12,048.60 = 2,408.66 : x
  2. Step 2: Convert to fraction form
    8,031.21/12,048.60 = 2,408.66/x
  3. Step 3: Cross multiply
    8,031.21x = 12,048.60 × 2,408.66
  4. Step 4: Simplify right side
    8,031.21x = 29,020,920.63
  5. Step 5: Solve for x
    x = 29,020,920.63/8,031.21
  6. Step 6: Final answer
    x = 3,613.52

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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.